GM Turbo TH400 Billet Aluminum Piston Direct Forward Speedmaster degree wheels are designed

Speedmaster degree wheels are designed for the normal rebuild

quickest possible shift

the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range

the need for more airflow is necessary

GM Turbo TH400 Billet Aluminum Piston Direct Forward Speedmaster degree wheels are designedThis lightweight billet aluminum replacement for the hard to find OEM replacement isn't only a more cost effective way to go but also adds a performance advantage. The piston weighs approximately 55% less than the OEM counterparts and designed to hold up to 6 clutches. Utilizes a 34 element Sprag Assembly.