6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] They feature a sealed

They feature a sealed

6" diameter ring gear

Speedmaster high-volume water pumps have a ribbed aluminum housing and a heavy duty ball/roller bearing assembly

These Speedmaster polished aluminum tops are designed to replace the OEM top without alterations

Additionally

6-71 6/71 Roots Supercharger Blower - 3-Lobe Twisted Rotors [Polished] They feature a sealedSpeedmaster 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