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 re-manufactured components), including new thick-wall cases and rotors to eliminate high-RPM flex.

Installation Notes: Will work with three V-belt accessory drive Pulley systems. Not compatible with serpentine accessory drive systems. Long nose kits fit most short and long water pump applications. Will not work with Gen VI engines.

Features:

• Non Teflon rotors
• Long Nose
• 6 Rib Pulley Drive
• 6" Lower Pulley
• 3.05" Upper Pulley
• 100% tested
• 30-50% Gain Over Stock

Product Reviews for WM6521-1 - WEIAND