Speedmaster®
Chevy LS1 LS2 LS3 LS6 LS7 L76 Blower Drive Kit For 6-71 8-71 Roots Supercharger
Product Information
Specs
| Brand: | Speedmaster |
| Part Number: | PCE460.1008 |
| Part Type: | Supercharger, Roots Style Kit |
| Product Line: | Blower Drive Kits |
| Engine Block Style: | LS |
| Pulley Style: | Gilmer |
| Crankshaft Pulley Grooves: | N/A |
| 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. Does not include dampner for kit. Must Purchase ATI Performance Products 917246 and 918993 to complete install. |
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.