E55, CLS55, SL55, S55, M113K AMG Mercedes Performance Double Idler Set Supercharger Pulley We have upgraded pulleys available

We have upgraded pulleys available from some of the best and proven brands on the market

6 transmission has known to be a a bit slow when it comes to shifting

Gains +120hp & +180ft/lbs tq on stock engine

CNC Billet hard anodized coated *ZZ rated high speed Nachi bearings

E55, CLS55, SL55, S55, M113K AMG Mercedes Performance Double Idler Set Supercharger Pulley We have upgraded pulleys availableThe UPD M113K performance 2 piece idler set with important custom supercharger tensioner pulley bearing shield. Includes both double pulleys needed to replace the factory plastic idlers on your performance AMG with a high quality CNC billet aluminum machined performance pulley set. High quality Nachi bearings are used and double bearings seals are used to protect bearings from heat and dirt. All our billet performance idlers have a ultra hard anodized