| Part Type: | Supercharger, Roots Style Kit |
| Engine Block Style: | LS7 |
| Intake Included: | Yes |
| Intake Finish: | Polished |
| Supercharger Brand: | Speedmaster |
| Supercharger Model: | 671 |
| Supercharger Finish: | Polished |
| Supercharger Pulleys Included: | Yes |
| Pulley Teeth Count: | 50/55 |
| Supercharger Lobe Qty: | Three |
| Pulley Style: | Gilmer |
| Dampner Included: | No |
| Belt Tensioner Included: | Yes |
| Belt Included: | Yes |
| Nose Style: | 3.9" Snout |
| Crankshaft Pulley Grooves: | N/A |
| Carburetor Quantity: | Two |
| Linkage Included: | No |
| Notes: | Speedmaster offers other pulleys to decrease or increase underdrive. Sold Separately.Does not include dampner for kit. Must Purchase ATI Performance Products 917246 and 918993 to complete install. |