03-07 UPD Mercedes AMG M113K 83.7MM Supercharger Pulley

Description

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 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