{"product_id":"superior-th350-k350-hd-shift-kit","title":"Superior TH350 K350-HD Shift Kit","description":"\u003cp\u003eUpgrade the shift quality of your TH350 Turbo 350 transmission with this Superior HD shift correction kit. This kit modifies the valve body hydraulic circuits to deliver firmer, more consistent shifts while reducing slippage and heat buildup. Compatible with all TH350 transmissions found in 1969-1986 Chevrolet, GMC, Buick, Oldsmobile, and Pontiac vehicles.\u003c\/p\u003e\u003cp\u003eIncludes detailed installation instructions with clear diagrams. No special tools required beyond standard transmission rebuild equipment. This heavy-duty correction package is ideal for performance builds, tow vehicles, and any application where improved shift firmness and reliability are desired. A popular upgrade during any TH350 rebuild.\u003c\/p\u003e","brand":"Superior Transmission Parts","offers":[{"title":"Default Title","offer_id":50803750961399,"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_d8128504-938b-4920-a3b6-f29725455472.jpg?v=1780070790","url":"https:\/\/coretransmissionparts.com\/products\/superior-th350-k350-hd-shift-kit","provider":"CoreTransmissionParts.com","version":"1.0","type":"link"}