Chevy BBC 454 Blower Drive Kit For 6-71 8-71 Roots Supercharger

Brand:	Speedmaster
Part Number:	PCE460.1007
Part Type:	Supercharger, Roots Style Kit
Product Line:	Blower Drive Kits
Engine Block Style:	BBC
Pulley Style:	Gilmer
Crankshaft Pulley Grooves:	One
Carburetor Quantity:	Two
Supercharger Finish:	Polished
Nose Style:	Short
Intake Manifold Included:	No
Gaskets Included:	Yes
Carbs Included:	No
Linkage Included:	No
Pulley Teeth Count:	50/55
Rotor Quantity:	Two
Supercharger Model:	671
Quantity:	Sold as a kit.
Notes:	Speedmaster offers other pulley combinations including 48T, 60 and 65T sold separately to increase or decrease underdrive.

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.