Oldsmobile Olds 260-455 V8 Exhaust Header High Performance Fiber Gaskets and their special serrated nuts

and their special serrated nuts guard against pan loosening during operation

Convert your GM Turbo 400 into a 2 speed by using the Speedmaster billet aluminum intermediate clutch pack insert

These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body

These Speedmaster head bolt bushing kits allow you to use stock or aftermarket head bolts with Speedmaster or other aftermarket cylinder heads

These throttle cable brackets help to eliminate binding and keep leakage hassles to a minimum

Oldsmobile Olds 260-455 V8 Exhaust Header High Performance Fiber Gaskets and their special serrated nutsComplete engine sealing with Speedmaster exhaust gaskets. Properly sealing an engine is paramount to making maximum horsepower. Speedmaster exhaust manifold gaskets are fabricated from large fiber gasket material bonded by a high heat resistant compound. They are precision die cut for each application, and provide excellent sealing and durability.