GM TH400 Forward Clutch and Direct Clutch Assembly w/o Clutches - Racing These Speedmaster chrome air cleaner

These Speedmaster chrome air cleaner tops are designed to replace the OEM top without alterations

This TH400 7075-T6 Billet Aluminum Direct Drum is manufactured specifically for drag racing

Deluxe Interior

All rockers feature large needle bearings or bushes and roller tips

These canisters are made from high-quality materials to ensure optimum performance

GM TH400 Forward Clutch and Direct Clutch Assembly w/o Clutches - Racing These Speedmaster chrome air cleanerThe Speedmaster forward drum and direct drum assembly are designed to withstand high horsepower with their upgraded 36 element sprag design. Speedmaster GM automatic transmission parts are manufactured using the highest quality materials for strength and durability.