GM TH400 Forward Clutch and Direct Clutch Assembly w/ Carbon Fiber Clutches - STD Every Speedmaster flexplate will withstand

Every Speedmaster flexplate will withstand the extreme power and rpm of your performance application

or digital output signal

Designed for Speedmaster starters

These one-piece Speedmaster pushrods are heat-treated for use with guideplates

GM TH400 Forward Clutch and Direct Clutch Assembly w/ Carbon Fiber Clutches - STD Every Speedmaster flexplate will withstandThe Speedmaster forward drum and direct drum assembly are designed to withstand high horsepower with their upgraded 36 element sprag design and carbon fiber friction plate material. Speedmaster GM automatic transmission parts are manufactured using the highest quality materials for strength and durability.