BBK GM TPI/LT1 Throttle Bodies Product images may differ from actual product appearance. Bring your TPI and LT1 to life The twin 52mm throttle body works well with mild powerplants with some aftermarket components, while the twin 58mm unit is for more radical engines. 50-state legal D-245-13. Made in the U.S.A.

129-1534

Twin 52mm Throttle Body 1985-88 TPI View this item Fits Applications

$309.99 Ships

129-1537

Twin 52mm Throttle Body 1989-92 TPI View this item Fits Applications

$319.99 Ships

129-1540

Twin 52mm Throttle Body 1992-93 LT1 View this item Fits Applications

$319.99 Ships 02/23/12

129-1543

Twin 52mm Throttle Body 1994-97 LT1 View this item Fits Applications

$319.99 Ships

129-1536

Twin 58mm Throttle Body 1985-88 TPI View this item Fits Applications

$319.99 Ships

129-1539

Twin 58mm Throttle Body 1989-92 TPI View this item Fits Applications

$319.99 Ships

129-1542

Twin 58mm Throttle Body 1992-93 LT1 View this item Fits Applications

$319.99 Ships

129-1544

Twin 58mm Throttle Body 1994-97 LT1 View this item Fits Applications

$329.99 Ships

129-1583

Throttle Body Gasket Kit Fits 52mm TPI Applications View this item Fits Applications

$10.99 Ships

129-1584

Throttle Body Gasket Kit Fits 58mm TPI Applications View this item Fits Applications

$10.99 Ships