6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] Liven up the look of

Liven up the look of your engine with these Speedmaster chrome valve cover breathers

or hot rod project

These Speedmaster Copper collector gaskets are about as close to blow-proof as you can get

The Speedmaster pinion supports are made from the best quality nodular iron

Our constant growing line of products now include these clutch forks for a variety of applications

6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] Liven up the look ofSpeedmaster 6 71 Street Supercharger's can give you 45 55 percent more power. They feature double pinned rotors (timed and clearanced after assembly), heavy duty front and rear bearing plate. We offer complete kits that included everything you including an intake manifold with a pop off valve relocated to the back. the rotor lenght is 380mm