GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race Seal your timing cover with

Seal your timing cover with these timing cover gaskets from PCE

Designed to deliver a flow rate of 67 GPH (255 LPH) at 12V

You need guideplates to keep your pushrods from deflecting under high-rpm conditions

and hardware

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

GM Turbo 400 TH400 Billet Steel Intermediate Clutch Sprag-Outer Race Seal your timing cover withSpeedmaster 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