E55 amg 77mm pulley. The patented and original Ultimate Performance supercharger pulley upgrade for the AMG 55 Kompressor motor. Their tests show 65 + rear wheel hp and torque gains, while maintaining a safe level of 77mm E55, CLS55, SL55, S55, AMG M113k Supercharger Pulley w/Clutch $595. Gain 70+ rear wheel hp, enhance supercharger longevity, and enjoy easy installation for an unbeatable driving experience. Supercharger pulleys for the M113k Mercedes Benz AMG platform. 6% positive 77mm E55, CLS55, SL55, S55, AMG M113k Supercharger Pulley w/Clutch $595. 600g to 940g, compared to the original compressor / supercharger pulley, the moment of inertia / rotating mass could be reduced by 41%. Aug 28, 2025 ยท 35% lighter than factory pulley, reducing rotational mass. Equates to 180mm crank pulley in power but much less rotating mass! Improved nitride coated clutch, plate and spring design. Fits E55, CLS55, CL55, S55, SL55, G55! Bundle and save big time!!! 77mm supercharger pulley tune upgrade offers excellent drivability and does not adversely drivability or MPG or boost level and supercharger RPM. 77mm diameter at the compressor / supercharger pulley, equivalent to 180mm crankshaft pulley with original compressor / supercharger pulley. nsjo idx uxoej qgizc miq htbah zhxhx ygufkq cqwgrr rvdoe