83mm E55, CLS55, SL55, S55, AMG M113k Supercharger Pulley w/Clutch M133 Firmer shifts

Firmer shifts

*Our tests show up to 70+ rear wheel hp and torque gains with our tune

the higher horsepower

Please specify if your crank pulley or SC pulley has been changed and what size so proper belt can be included

83mm E55, CLS55, SL55, S55, AMG M113k Supercharger Pulley w/Clutch M133 Firmer shiftsUpgrading your supercharger pulley is one of the easiest ways to generate more horsepower on the AMG M113k engine. By decreasing the size of the pulley, the pulley will spin the supercharger faster at a higher RPM. The higher the RPM the higher the boost. The higher the boost, the higher horsepower. We have upgraded pulleys available from some of the best and proven brands on the market. Please contact our team and have with the pulley size you're