Bushing Kit 6T70, 6T75, 6F50, 6F55 (Solid Bushings)These kits, which feature nine bushings in a set, are designed for late-model GM and Ford vehicles. Both 4-5-6 clutch hub bushings and the output hub spline side bushings are Teflon coated for durability, and all parts are solid bushings for a better fit and longer service life – a clear upgrade over OE parts.