Weiand 6543-1 - Pro-Street SuperCharger Kit; 142 Blower; Long Nose; 6-Rib Drive Belt; Incl. Supercharger/Intake Manifold/Belt/Belt Idler/Gaskets/Thermostat Housing/Hardware; Polished;

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. ** Designed for use with G.M. Vortec and Fast Burn Cylinder heads. Compatible with long and short water pump installations. This supercharger kit will clear GM large cap HEI distributors.

Features

• Non PTFE Rotors
• Long Nose
• 6 Rib Pulley Drive
• 6 in. Lower Pulley
• 3.05 in. Upper Pulley
• 100% Tested
• 25-40% Gain Over Stock