Now patented! Patent# D716356S

Fits 2003 - 2007 AMG Mercedes 55K Models  E55, CLS55, CL55, S55, G55, SL55 

The patented and original Ultimate Performance 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.

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 design

Tune will be needed for this pulley, as fuel and power increases will exceed factory tune parameters.

We supply great tunes, just email for your custom tune needs Sales@ultimatepd.com