GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race let a Speedmaster aluminum Competition

let a Speedmaster aluminum Competition series radiator give your high-powered race car the advantage

They're available in a variety of styles and can be used on most 1/4-20 thread air cleaner hold-down studs

please note that some modification to your stock fuel line may be necessary to adapt to our fuel rail system

Speedmaster accessory drive pulleys are built for smooth power delivery and reliability

GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race let a Speedmaster aluminum CompetitionSpeedmaster 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