GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race Speedmaster Conversion carrier bearing

Speedmaster Conversion carrier bearing

intake valve with minimal additional work

modeled off OE castings for factory fit and finish

Just bolt the pre-assembled unit to the back of the shifter and you are ready to go

GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race Speedmaster Conversion carrier bearingSpeedmaster heavy duty intermediate clutch outer race delivers more torque capacity of any OE race. High torque loads cause the race to fracture at two stress points: the radial lube holes that contact the rollers and the sharp inside corners at the base of the outer splines. Design improvements to the splines, plus upgraded material and a custom manufacturing process, further improve durability to make this heavy duty race the best option available