{"title":"200-4R Transmission Parts","description":"\u003cp\u003eComplete catalog of 200-4R transmission parts for 1981-1990 GM rear-wheel-drive cars and trucks (Buick Grand National, Monte Carlo SS, Olds 442).\u003c\/p\u003e\u003cp\u003eWe carry rebuild kits, master kits, shift solenoids, EPC and TCC solenoids, valve bodies, torque converters, hard parts including sun shells and planetary assemblies, gaskets, seals, filters, sensors, and shift correction kits — everything you need to overhaul a 200-4R from start to finish.\u003c\/p\u003e\u003cp\u003eAll parts are OEM or quality aftermarket, sourced through authorized distributors. Wholesale pricing available for transmission shops; fast shipping nationwide.\u003c\/p\u003e","products":[{"product_id":"sonnax-200-4r-10-inch-performance-lockup-torque-converter","title":"200-4R 10-inch Performance Lockup Torque Converter 1981-1990 CTS-200R4-TC-7919 Sonnax","description":"\u003ch3\u003eSonnax 200-4R 10-inch Performance Lockup Torque Converter\u003c\/h3\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Sonnax 10-inch performance lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2000-2200 RPM stall for optimal power transfer.\u003c\/p\u003e\u003cp\u003eThe 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAll parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"200-4R","offer_id":50728922939639,"sku":"CTS-200R4-TC-7919","price":506.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/77805-K.webp?v=1777754305"},{"product_id":"sonnax-200-4r-12-inch-hd-lockup-torque-converter","title":"200-4R 12-inch Hd Lockup Torque Converter 1981-1990 CTS-200R4-TC-3655 Sonnax","description":"\u003ch3\u003eSonnax 200-4R 12-inch Hd Lockup Torque Converter\u003c\/h3\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Sonnax 12-inch HD lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features heavy-duty lockup, 1800 RPM stall for optimal power transfer.\u003c\/p\u003e\u003cp\u003eThe 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAll parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"200-4R","offer_id":50728923365623,"sku":"CTS-200R4-TC-3655","price":437.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/77805-K_44354196-afbb-43de-aba0-2a777775182b.webp?v=1777754313"},{"product_id":"sonnax-200-4r-intermediate-servo","title":"200-4R Intermediate Servo 1981-1990 CTS-200R4-SRV-2923 Sonnax","description":"\u003ch3\u003eSonnax 200-4R Intermediate Servo\u003c\/h3\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eQuality replacement intermediate servo assembly for the GM 200-4R four-speed overdrive automatic transmission. This Sonnax servo assembly is manufactured to OEM specifications for guaranteed fitment in all 200-4R applications.\u003c\/p\u003e\u003cp\u003eThe 200-4R is the factory overdrive transmission for the legendary Buick Grand National and GNX, making quality replacement parts essential.\u003c\/p\u003e\u003cp\u003eFits 1981-1990 Buick Grand National, Regal, GNX, T-Type, 1982-1984 Corvette, 1983-1988 Monte Carlo SS, and other GM vehicles. Precision-manufactured for reliable operation in both stock and performance turbocharged applications.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAll parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"200-4R","offer_id":50728923758839,"sku":"CTS-200R4-SRV-2923","price":58.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/700R4-LB1.webp?v=1777754320"},{"product_id":"sonnax-200-4r-valve-body-assembly","title":"200-4R Valve Body Assembly 1981-1990 CTS-200R4-VLB-2188 Sonnax","description":"\u003ch3\u003eSonnax 200-4R Valve Body Assembly\u003c\/h3\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eQuality replacement complete valve body for the GM 200-4R four-speed overdrive automatic transmission. This Sonnax valve body is manufactured to OEM specifications for guaranteed fitment in all 200-4R applications.\u003c\/p\u003e\u003cp\u003eThe 200-4R is the factory overdrive transmission for the legendary Buick Grand National and GNX, making quality replacement parts essential.\u003c\/p\u003e\u003cp\u003eFits 1981-1990 Buick Grand National, Regal, GNX, T-Type, 1982-1984 Corvette, 1983-1988 Monte Carlo SS, and other GM vehicles. Precision-manufactured for reliable operation in both stock and performance turbocharged applications.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAll parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"200-4R","offer_id":50728923922679,"sku":"CTS-200R4-VLB-2188","price":275.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/700R4-LB1_a6261c17-b104-4c07-bef6-32fce748548c.webp?v=1777754325"},{"product_id":"sonnax-200-4r-front-planet","title":"200-4R Front Planet 1981-1990 CTS-200R4-PLN-5454 Sonnax","description":"\u003ch3\u003eSonnax 200-4R Front Planet\u003c\/h3\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eQuality replacement front planetary set for the GM 200-4R four-speed overdrive automatic transmission. This Sonnax front planet is manufactured to OEM specifications for guaranteed fitment in all 200-4R applications.\u003c\/p\u003e\u003cp\u003eThe 200-4R is the factory overdrive transmission for the legendary Buick Grand National and GNX, making quality replacement parts essential.\u003c\/p\u003e\u003cp\u003eFits 1981-1990 Buick Grand National, Regal, GNX, T-Type, 1982-1984 Corvette, 1983-1988 Monte Carlo SS, and other GM vehicles. Precision-manufactured for reliable operation in both stock and performance turbocharged applications.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAll parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"200-4R","offer_id":50728923955447,"sku":"CTS-200R4-PLN-5454","price":93.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/700R4-LB1_6e5ddc79-c043-4d5e-8fee-b19c10d0ccb3.webp?v=1777754326"},{"product_id":"700r4-default-2294","title":"700R4 700R4 to 200-4R Bell Housing Adapter","description":"\u003ch3\u003e700R4 700R4 to 200-4R Bell Housing Adapter\u003c\/h3\u003e\u003cp\u003eThis Aftermarket performance for the GM 700R4 (4L60) automatic transmission delivers dependable repair quality for one of the most popular GM overdrive transmissions ever made. Performance upgrade or conversion component for increased 700R4 durability, shift firmness, and capability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Symptoms of Failure:\u003c\/strong\u003e firmer shifts, faster response, increased durability for towing and performance use. Installing quality replacement parts keeps the 700R4 shifting correctly and prevents costly secondary damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 1982-1993 GM vehicles including Chevrolet C\/K truck, Camaro, Corvette, Caprice, GMC Sierra, Pontiac Firebird, and Buick Grand National\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission:\u003c\/strong\u003e GM 700R4 \/ 4L60 4-speed automatic overdrive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New unless otherwise noted\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSome parts also interchange with 200-4R and early 4L60 non-electronic applications.\u003c\/p\u003e","brand":"Core Transmission Supply","offers":[{"title":"Default Title","offer_id":50803054739703,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-performance_c4d3cf06-3f24-40ef-886f-4e6aba053cb7.jpg?v=1780069109"},{"product_id":"transtec-200-4r-master-rebuild-kit","title":"TransTec 200-4R Master Rebuild Kit","description":"\u003cp\u003eComplete TransTec master rebuild kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"TransTec","offers":[{"title":"Default Title","offer_id":50803781763319,"sku":null,"price":256.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-master-rebuild-kit_3a68ceb1-f9f1-4346-8b4f-7284cea440e7.jpg?v=1780071008"},{"product_id":"raybestos-200-4r-overhaul-kit","title":"Raybestos 200-4R Overhaul Kit","description":"\u003cp\u003eComplete Raybestos overhaul kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":50803781796087,"sku":null,"price":362.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-overhaul-kit_2060cef5-87f7-4c44-9f95-e92668fa2ff2.jpg?v=1780071009"},{"product_id":"alto-200-4r-master-kit-with-steels","title":"Alto 200-4R Master Kit with Steels","description":"\u003cp\u003eComplete Alto master kit with steels for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Alto","offers":[{"title":"Default Title","offer_id":50803781861623,"sku":null,"price":311.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_b53a35e1-d953-4d40-901f-540f5373ed57.jpg?v=1780071010"},{"product_id":"banner-200-4r-banner-kit","title":"Banner 200-4R Banner Kit","description":"\u003cp\u003eComplete Banner banner kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Banner","offers":[{"title":"Default Title","offer_id":50803781894391,"sku":null,"price":334.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_f3a85878-d070-4f80-b2c3-3622f792a885.jpg?v=1780071010"},{"product_id":"precision-international-200-4r-super-rebuild-kit","title":"Precision International 200-4R Super Rebuild Kit","description":"\u003cp\u003eComplete Precision International super rebuild kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Precision International","offers":[{"title":"Default Title","offer_id":50803781927159,"sku":null,"price":334.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_eb5777c6-069c-40bf-8dfe-3952e5649969.jpg?v=1780071011"},{"product_id":"fitzall-200-4r-economy-kit","title":"Fitzall 200-4R Economy Kit","description":"\u003cp\u003eComplete Fitzall economy kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Fitzall","offers":[{"title":"Default Title","offer_id":50803781959927,"sku":null,"price":275.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_c8d54b61-3e01-444d-a794-b9d5fa8733c2.jpg?v=1780071011"},{"product_id":"national-200-4r-premium-overhaul-kit","title":"National 200-4R Premium Overhaul Kit","description":"\u003cp\u003eComplete National premium overhaul kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":50803781992695,"sku":null,"price":292.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-overhaul-kit_e5087580-5a3c-4518-a5fe-0c097a018b71.jpg?v=1780071012"},{"product_id":"lube-locker-200-4r-stage-1-rebuild-kit","title":"Lube Locker 200-4R Stage 1 Rebuild Kit","description":"\u003cp\u003eComplete Lube Locker stage 1 rebuild kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Lube Locker","offers":[{"title":"Default Title","offer_id":50803782058231,"sku":null,"price":372.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_2571a73d-47e9-4359-91b4-d0c7ec8e78c7.jpg?v=1780071012"},{"product_id":"superior-200-4r-stage-2-performance-kit","title":"Superior 200-4R Stage 2 Performance Kit","description":"\u003cp\u003eComplete Superior stage 2 performance kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Superior Transmission Parts","offers":[{"title":"Default Title","offer_id":50803782090999,"sku":null,"price":241.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-performance_9ccf6824-b5eb-4a6a-a312-c2497c5687b9.jpg?v=1780071013"},{"product_id":"omega-200-4r-hd-master-kit","title":"Omega 200-4R HD Master Kit","description":"\u003cp\u003eComplete Omega hd master kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Omega","offers":[{"title":"Default Title","offer_id":50803782123767,"sku":null,"price":348.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_5ebd44a4-6afb-4e11-b3e5-ffb30e57460e.jpg?v=1780071014"},{"product_id":"transtec-200-4r-complete-overhaul-kit","title":"TransTec 200-4R Complete Overhaul Kit","description":"\u003cp\u003eComplete TransTec complete overhaul kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"TransTec","offers":[{"title":"Default Title","offer_id":50803782156535,"sku":null,"price":203.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-overhaul-kit_16d00334-8ff3-4aae-a078-2fcfa8eef200.jpg?v=1780071014"},{"product_id":"raybestos-200-4r-pro-rebuild-kit","title":"Raybestos 200-4R Pro Rebuild Kit","description":"\u003cp\u003eComplete Raybestos pro rebuild kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":50803782189303,"sku":null,"price":292.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_e2833b69-1b6c-4ab6-b337-f5601abded47.jpg?v=1780071015"},{"product_id":"alto-200-4r-deluxe-master-kit","title":"Alto 200-4R Deluxe Master Kit","description":"\u003cp\u003eComplete Alto deluxe master kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Alto","offers":[{"title":"Default Title","offer_id":50803782222071,"sku":null,"price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_9c3b0b0f-b6d5-43d8-a09f-7faa2c00ad04.jpg?v=1780071016"},{"product_id":"banner-200-4r-racing-rebuild-kit","title":"Banner 200-4R Racing Rebuild Kit","description":"\u003cp\u003eComplete Banner racing rebuild kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Banner","offers":[{"title":"Default Title","offer_id":50803782287607,"sku":null,"price":247.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_63d55a54-93a8-41fa-b603-5a50dd694a5f.jpg?v=1780071016"},{"product_id":"precision-international-200-4r-premium-master-kit","title":"Precision International 200-4R Premium Master Kit","description":"\u003cp\u003eComplete Precision International premium master kit for the GM 200-4R four-speed overdrive automatic transmission. This comprehensive kit includes all gaskets, seals, clutch plates, steels, and friction materials needed for a professional rebuild of the 200-4R. This transmission is the factory overdrive replacement for the TH350 and is found in highly sought-after vehicles like the Buick Grand National and GNX.\u003c\/p\u003e\u003cp\u003eCovers all 200-4R applications from 1981 to 1990 including Buick Grand National, Regal, GNX, 1982-1984 Corvette, and Monte Carlo SS. Premium materials ensure reliability even in the turbocharged Grand National application where the 200-4R must handle significant torque output.\u003c\/p\u003e","brand":"Precision International","offers":[{"title":"Default Title","offer_id":50803782320375,"sku":null,"price":188.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-other_8d51f712-4661-4b8a-a412-f4bac435a260.jpg?v=1780071017"},{"product_id":"transgo-200-4r-1-shift-kit","title":"TransGo 200-4R-1 Shift Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this TransGo shift reprogramming kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"TransGo","offers":[{"title":"Default Title","offer_id":50803782353143,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_f20ce57b-f175-434a-a21c-0cb9415a5164.jpg?v=1780071017"},{"product_id":"transgo-200-4r-2-hd-shift-kit","title":"TransGo 200-4R-2 HD Shift Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this TransGo heavy-duty shift kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"TransGo","offers":[{"title":"Default Title","offer_id":50803782385911,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_61194241-8aaa-4b96-9729-00695139a209.jpg?v=1780071018"},{"product_id":"transgo-200-4r-full-manual-kit","title":"TransGo 200-4R Full Manual Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this TransGo full manual shift kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"TransGo","offers":[{"title":"Default Title","offer_id":50803782418679,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_d6f206d6-7841-4a02-a702-829db8a12ef2.jpg?v=1780071018"},{"product_id":"bandm-200-4r-transpak","title":"B\u0026M 200-4R Transpak","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this B\u0026amp;M transpak shift improvement. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":50803782484215,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_c3129d03-f693-4183-9e95-96c52b9656fe.jpg?v=1780071019"},{"product_id":"bandm-200-4r-shift-plus","title":"B\u0026M 200-4R Shift Plus","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this B\u0026amp;M shift plus package. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":50803782516983,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_64e6fb36-2c6e-42bb-a321-2f2c55d96beb.jpg?v=1780071020"},{"product_id":"superior-200-4r-k2004r-shift-correction","title":"Superior 200-4R K2004R Shift Correction","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Superior shift correction kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Superior Transmission Parts","offers":[{"title":"Default Title","offer_id":50803782549751,"sku":null,"price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_22b2cba8-7890-48ac-8207-126da0f40b1c.jpg?v=1780071020"},{"product_id":"superior-200-4r-k2004r-hd","title":"Superior 200-4R K2004R-HD","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Superior HD shift correction kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Superior Transmission Parts","offers":[{"title":"Default Title","offer_id":50803782582519,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_27eabddb-2629-4509-9d6a-f667cc54a71f.jpg?v=1780071021"},{"product_id":"sonnax-200-4r-valve-body-repair-kit","title":"Sonnax 200-4R Valve Body Repair Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Sonnax valve body repair kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":50803782615287,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_140822fe-27b7-41c3-937c-7fb114182bdb.jpg?v=1780071021"},{"product_id":"sonnax-200-4r-tv-boost-valve-kit","title":"Sonnax 200-4R TV Boost Valve Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Sonnax TV boost valve upgrade. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":50803782680823,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_2d55415a-b933-4052-b973-b5df763923e5.jpg?v=1780071023"},{"product_id":"sonnax-200-4r-accumulator-kit","title":"Sonnax 200-4R Accumulator Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Sonnax accumulator piston upgrade kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":50803782713591,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_b79b4efa-099d-4961-a4b3-cd40c00ca553.jpg?v=1780071023"},{"product_id":"transgo-200-4r-shift-kit-with-tv-plunger","title":"TransGo 200-4R Shift Kit with TV Plunger","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this TransGo shift kit with TV plunger. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"TransGo","offers":[{"title":"Default Title","offer_id":50803782746359,"sku":null,"price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_8aff5b3d-28cd-4a09-8b5b-c80d6ebdfcda.jpg?v=1780071023"},{"product_id":"bandm-200-4r-shift-improver","title":"B\u0026M 200-4R Shift Improver","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this B\u0026amp;M shift improver package. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":50803782779127,"sku":null,"price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_fed44e39-e736-4ada-b319-95576a8bf01e.jpg?v=1780071024"},{"product_id":"superior-200-4r-lockup-kit","title":"Superior 200-4R Lockup Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Superior converter lockup control kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Superior Transmission Parts","offers":[{"title":"Default Title","offer_id":50803782811895,"sku":null,"price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_86165370-ce00-4b1b-9129-bd2260ea583e.jpg?v=1780071024"},{"product_id":"sonnax-200-4r-pressure-regulator-kit","title":"Sonnax 200-4R Pressure Regulator Kit","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this Sonnax PR valve upgrade kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":50803782844663,"sku":null,"price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_acfd4734-02df-4f06-b97d-bed0d26382ee.jpg?v=1780071025"},{"product_id":"transgo-200-4r-performance-reprogramming","title":"TransGo 200-4R Performance Reprogramming","description":"\u003cp\u003eUpgrade your 200-4R transmission shift quality with this TransGo performance reprogramming kit. The 200-4R is critical in the Buick Grand National and GNX platform where it must handle turbocharged torque loads. This kit modifies the valve body hydraulics for firmer, more consistent shifts while reducing slippage and extending clutch life.\u003c\/p\u003e\u003cp\u003eComplete with detailed instructions. Compatible with all 200-4R transmissions from 1981 to 1990 in Buick Grand National, Regal, GNX, Corvette, Monte Carlo SS, and other GM vehicles. A must-have upgrade for any 200-4R rebuild, especially in performance and turbocharged applications.\u003c\/p\u003e","brand":"TransGo","offers":[{"title":"Default Title","offer_id":50803782910199,"sku":null,"price":144.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-shift-kit_6dce08cd-6c11-4f72-96ed-e084c729dca1.jpg?v=1780071026"},{"product_id":"dacco-200-4r-12-inch-stock-lockup-replacement-torque-converter","title":"Dacco 200-4R 12-inch Stock Lockup Replacement Torque Converter","description":"\u003cp\u003eThis Dacco 12-inch stock lockup replacement torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup equipped, 1600-1800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Dacco","offers":[{"title":"Default Title","offer_id":50803782942967,"sku":null,"price":386.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_ba5c1b26-c2a0-4cc3-b4fa-ed6a786d6f92.jpg?v=1780071026"},{"product_id":"circle-d-200-4r-12-inch-high-stall-lockup-torque-converter","title":"Circle D 200-4R 12-inch High Stall Lockup Torque Converter","description":"\u003cp\u003eThis Circle D 12-inch high stall lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2500-2800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Circle D","offers":[{"title":"Default Title","offer_id":50803782975735,"sku":null,"price":489.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_04bad386-3a85-4847-be84-a3b6f8e1d569.jpg?v=1780071027"},{"product_id":"hughes-performance-200-4r-10-inch-hd-lockup-torque-converter","title":"Hughes Performance 200-4R 10-inch Hd Lockup Torque Converter","description":"\u003cp\u003eThis Hughes Performance 10-inch HD lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features heavy-duty lockup, 1800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Hughes Performance","offers":[{"title":"Default Title","offer_id":50803783008503,"sku":null,"price":449.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_6163c3ac-11cf-44c8-8786-1f2430302d18.jpg?v=1780071028"},{"product_id":"tci-200-4r-12-inch-stock-lockup-replacement-torque-converter","title":"TCI 200-4R 12-inch Stock Lockup Replacement Torque Converter","description":"\u003cp\u003eThis TCI 12-inch stock lockup replacement torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup equipped, 1600-1800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"Default Title","offer_id":50803783041271,"sku":null,"price":340.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_d81e5ebd-a8de-4209-9e0f-1293eaa5fa5b.jpg?v=1780071028"},{"product_id":"bandm-200-4r-11-inch-performance-lockup-torque-converter","title":"B\u0026M 200-4R 11-inch Performance Lockup Torque Converter","description":"\u003cp\u003eThis B\u0026amp;M 11-inch performance lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2000-2200 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":50803783074039,"sku":null,"price":373.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_7a457840-fd3c-48a5-ae28-fd5d55a83571.jpg?v=1780071029"},{"product_id":"coan-200-4r-12-inch-high-stall-lockup-torque-converter","title":"Coan 200-4R 12-inch High Stall Lockup Torque Converter","description":"\u003cp\u003eThis Coan 12-inch high stall lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2500-2800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Coan","offers":[{"title":"Default Title","offer_id":50803783106807,"sku":null,"price":560.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_428ca202-01a6-4b0b-89a2-0455f9dd008c.jpg?v=1780071029"},{"product_id":"precision-industries-200-4r-12-inch-hd-lockup-torque-converter","title":"Precision Industries 200-4R 12-inch Hd Lockup Torque Converter","description":"\u003cp\u003eThis Precision Industries 12-inch HD lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features heavy-duty lockup, 1800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Precision Industries","offers":[{"title":"Default Title","offer_id":50803783139575,"sku":null,"price":448.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_a767f2f1-3d3f-4220-9988-0b3658ab4bb2.jpg?v=1780071030"},{"product_id":"yank-200-4r-10-inch-stock-lockup-replacement-torque-converter","title":"Yank 200-4R 10-inch Stock Lockup Replacement Torque Converter","description":"\u003cp\u003eThis Yank 10-inch stock lockup replacement torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup equipped, 1600-1800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Yank","offers":[{"title":"Default Title","offer_id":50803783172343,"sku":null,"price":308.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_80cc2941-b4e1-4ec4-8e5e-ed9ea7e87f5b.jpg?v=1780071031"},{"product_id":"pro-x-200-4r-11-inch-performance-lockup-torque-converter","title":"PRO-X 200-4R 11-inch Performance Lockup Torque Converter","description":"\u003cp\u003eThis PRO-X 11-inch performance lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2000-2200 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"PRO-X","offers":[{"title":"Default Title","offer_id":50803783237879,"sku":null,"price":470.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_eb1d7087-5b59-4cd6-a062-3fcbffb24bef.jpg?v=1780071031"},{"product_id":"dacco-200-4r-12-inch-high-stall-lockup-torque-converter","title":"Dacco 200-4R 12-inch High Stall Lockup Torque Converter","description":"\u003cp\u003eThis Dacco 12-inch high stall lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2500-2800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Dacco","offers":[{"title":"Default Title","offer_id":50803783270647,"sku":null,"price":457.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_abb1e563-5aac-4d0c-80db-9f4e95dd6fa2.jpg?v=1780071032"},{"product_id":"circle-d-200-4r-10-inch-stock-lockup-replacement-torque-converter","title":"Circle D 200-4R 10-inch Stock Lockup Replacement Torque Converter","description":"\u003cp\u003eThis Circle D 10-inch stock lockup replacement torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup equipped, 1600-1800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Circle D","offers":[{"title":"Default Title","offer_id":50803783303415,"sku":null,"price":341.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_876b8415-80d2-44a1-bd54-960e430d897a.jpg?v=1780071032"},{"product_id":"hughes-performance-200-4r-12-inch-performance-lockup-torque-converter","title":"Hughes Performance 200-4R 12-inch Performance Lockup Torque Converter","description":"\u003cp\u003eThis Hughes Performance 12-inch performance lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2000-2200 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"Hughes Performance","offers":[{"title":"Default Title","offer_id":50803783336183,"sku":null,"price":467.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_1c0fdefd-51ca-4c2c-ac25-2d5774dbb2d0.jpg?v=1780071033"},{"product_id":"tci-200-4r-10-inch-high-stall-lockup-torque-converter","title":"TCI 200-4R 10-inch High Stall Lockup Torque Converter","description":"\u003cp\u003eThis TCI 10-inch high stall lockup torque converter is designed for the GM 200-4R four-speed overdrive transmission. Features lockup, 2500-2800 RPM stall for optimal power transfer. The 200-4R converter must include a functional lockup clutch for overdrive operation, and this converter provides reliable lockup engagement for proper highway cruising efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for 1981-1990 Buick Grand National, GNX, Regal T-Type, 1982-1984 Corvette, and Monte Carlo SS. Precision-balanced and tested for smooth operation and proper lockup engagement. A critical component for any 200-4R rebuild or performance upgrade.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"Default Title","offer_id":50803783368951,"sku":null,"price":504.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-torque-converter_729ee256-41d5-4ddc-bafb-89ab86462fc2.jpg?v=1780071034"},{"product_id":"acdelco-200-4r-tv-cable-assembly","title":"ACDelco 200-4R TV Cable Assembly","description":"\u003cp\u003eQuality replacement throttle valve cable assembly for the GM 200-4R four-speed overdrive automatic transmission. This ACDelco TV cable — the most critical component is manufactured to OEM specifications for guaranteed fitment in all 200-4R applications. The 200-4R is the factory overdrive transmission for the legendary Buick Grand National and GNX, making quality replacement parts essential.\u003c\/p\u003e\u003cp\u003eFits 1981-1990 Buick Grand National, Regal, GNX, T-Type, 1982-1984 Corvette, 1983-1988 Monte Carlo SS, and other GM vehicles. Precision-manufactured for reliable operation in both stock and performance turbocharged applications.\u003c\/p\u003e","brand":"AC Delco","offers":[{"title":"Default Title","offer_id":50803783401719,"sku":null,"price":49.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-hard-parts_b6d83f61-2230-4bde-b987-cec5a768880d.jpg?v=1780071035"}],"url":"https:\/\/coretransmissionparts.com\/collections\/200-4r-transmission-parts.oembed?page=6","provider":"CoreTransmissionParts.com","version":"1.0","type":"link"}