Seller notes

Fits 2003 - 2007 AMG Mercedes 55K Models m113kUltimate Performance supercharger pulley upgrade for the AMG 55 Kompressor motor. Our tests show 70 plus 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 torque35% lighter than factory pulley, reducing rotational massReduced rotational mass increases supercharger longevity80.0mm diamet...

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