6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] Achieve quicker and more consistent

Achieve quicker and more consistent reaction times with a replacement Transbrake Valve Body Release valve and spring

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

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

high-impact material that's heat-resistant

6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] Achieve quicker and more consistentSpeedmaster 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