6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] These Speedmaster Copper collector gaskets

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

*Will not work on engines w/reverse flow heads as utilized on 1992-96 LT-1 Corvette

high-impact material that's heat-resistant

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

or hot rod project

6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] These Speedmaster Copper collector gasketsSpeedmaster 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