E55, CLS55, SL55, S55, M113K AMG Mercedes Performance Double Idler Set Supercharger Pulley that are known to fail

that are known to fail

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

M177 RaceIQ ECU Tune

& all E class sedans

-Direct bolt on

E55, CLS55, SL55, S55, M113K AMG Mercedes Performance Double Idler Set Supercharger Pulley that are known to failThe 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