Mercedes AMG M113K UPD Performance 3 pc idler and 77 Supercharger Pulley Set Gold Anodized (2003 -2007)

Limited edition Gold anodized 77mm and 3 piece idler kit bundle! Ultimate Performance Gold 77mm supercharger pulley upgrade for the AMG 55 Kompressor motor. Our tests show 60 to 70 + rear wheel hp and torque gains, while maintaining a safe level of boost and supercharger rpm. Pulley upgrade offers excellent driveability and does not adversely affect highway mileage. Fits 2003 - 2007 AMG Mercedes 55K Models The patented and original Ultimate Performance supercharger pulley upgrade for the AMG 55 Kompressor motor. Our tests show 60-70+ rear wheel hp and torque gains, while maintaining a safe level of boost and supercharger rpm. Pulley upgrade offers excellent driveability and does not adversely affect highway mileage. Specs: Increases horsepower and torque 35% lighter than factory pulley, reducing rotational mass Reduced rotational mass increases supercharger longevity 77 mm diameter Easy to install Special coating reduces belt slip Improved nitride coated clutch, plate and spring desig