GM TH400 Forward Clutch and Direct Clutch Assembly w/o Clutches - Racing Drum weights 55% less than

Drum weights 55% less than the OEM drum

These Speedmaster automatic transmission filter extensions are designed to move the transmission filter into the oil in most aftermarket deep transmission pans

which allow you to modify your cam timing

When roller rocker arms are installed

The high carbon steel material is incredibly strong and can withstand the rigors of the most extreme engines

GM TH400 Forward Clutch and Direct Clutch Assembly w/o Clutches - Racing Drum weights 55% less thanThe 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.