Speedmaster PCE460.1021 Fits Ford SB 289 302 Windsor Blower Drive Kit For 6-71 8-71 Roots Supercharger

Speedmaster's 6-71 Street Supercharger kits can give you 45-55 percent more streetable power. They feature double-pinned rotors (timed and clearanced after assembly), heavy duty front and rear bearing plates, and an intake manifold with a pop-off valve relocated to the back. The kits includes everything required to install, intake manifold, upper and lower drive pulleys, an idler pulley and bracket, a dual V-belt accessory drive pulley, a 3 in. Gilmer-style drive belt, and gaskets and hardware. Speedmaster also includes an adapter plate for two 4 barrel carburetors that is polished to match the supercharger. <object width="100%" height="100%" type="text/html" allowfullscreen="true" data="https://www.

• 6-71 Supercharger kits can give you up to 50% more horsepower
• They feature a polished case double-pinned rotors assembly that is timed and clearanced
• Heavy duty front and rear bearing plates