Speedmaster®
Chevy BBC 454 Blower Drive Kit For 6-71 8-71 Roots Supercharger
Product Information
Specs
| 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: | Two |
| 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. |
Description
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.
Warranty Information
Prop 65 Warning
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.