The patented and original Ultimate Performance supercharger pulley upgrade for the AMG 55 Kompressor motor. Our tests show 45- 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.
Specs:
Increases horsepower and torque
35% lighter than factory pulley, reducing rotational mass
Reduced rotational mass increases supercharger longevity
83.7mm diameter
Easy to install
Special coating reduces belt slip
Improved nitride coated clutch, plate and spring design
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