GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race This Speedmaster Throttle Body is

This Speedmaster Throttle Body is designed to produce smooth

these Speedmaster valve locks will provide the reliability that you've been looking for

also known as the GM 8

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GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race This Speedmaster Throttle Body isSpeedmaster 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