Sonnax Line Pressure Booster Kit for TH350 - 350-LB1

TH350 Sonnax Line Pressure Booster Kit 350-LB1

$135.00
$135.00
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Sonnax Line Pressure Booster Kit for TH350 - 350-LB1
  • Sonnax Line Pressure Booster Kit for TH350 - 350-LB1
  • Sonnax Line Pressure Booster Kit for TH350 - 350-LB1
TH350 Sonnax Line Pressure Booster Kit 350-LB1

TH350 Sonnax Line Pressure Booster Kit 350-LB1

$135.00
$135.00
Special Order — we source this part to order and ship it within 3 business days. Your card is authorized now and only charged once we confirm the part; if we can’t source it, your order is cancelled at no charge.

Sonnax Line Pressure Booster Kit

Genuine Sonnax Line Pressure Booster Kit for the GM, Chevrolet, GMC, Cadillac TH350 automatic transmission. Sonnax parts are the aftermarket standard for transmission repair and performance, engineered to correct common failure points and add durability beyond the original design.

Fitment

Fits TH350 units. Sonnax part number 350-LB1.

Why Sonnax

Trusted by professional builders and performance shops, Sonnax components are made in the USA to exacting tolerances. This is a direct-fit upgrade for a TH350 rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every TH350 order.

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