Oldsmobile Olds 260-455 V8 Exhaust Header High Performance Fiber Gaskets Speedmaster planetary gears are cut

Speedmaster planetary gears are cut with a straight tooth instead of the helical cut tooth

a one-wire alternator means just that

dependable reading

a new lower housing casting for enhanced fuel flow

Speedmaster LS dual 4-barrel

Oldsmobile Olds 260-455 V8 Exhaust Header High Performance Fiber Gaskets Speedmaster planetary gears are cutComplete 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.