Supercharger System Roots 144 Series Polished Chevy Small Block Kit
Product Information
Weiand Pro Street supercharger kits are engineered to give you a 25% to 40% gain in power - while maintaining outstanding streetability. All Weiand blowers feature 100% new parts (no remanufactured components), including new thick-wall cases and rotors to eliminate high-RPM flex. This low profile kit is .750" lower overall than the 6500-1 kit.
Features:
- PTFE rotors
- Long Nose
- 10 Rib Pulley Drive
- 6" Lower Pulley
- 3.05" Upper Pulley
- 100% tested
- 25-40% Gain Over Stock

Product Information
Weiand Pro Street supercharger kits are engineered to give you a 25% to 40% gain in power - while maintaining outstanding streetability. All Weiand blowers feature 100% new parts (no remanufactured components), including new thick-wall cases and rotors to eliminate high-RPM flex. This low profile kit is .750" lower overall than the 6500-1 kit.
Features:
- PTFE rotors
- Long Nose
- 10 Rib Pulley Drive
- 6" Lower Pulley
- 3.05" Upper Pulley
- 100% tested
- 25-40% Gain Over Stock