Seller notes

Ultimate Performance supercharger pulley upgrade for the AMG 55 Kompressor motor. Our tests show 40-50 + 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. Great replacement power SC pulley for the OEM units that fail, for 1/3 the price! Fits 2003 - 2008 AMG Mercedes 55K Models and all G55 2005-2011The patented and original Ultimate Performance supercharger pulle...

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