Fits E55, CLS55, CL55, S55, (G55-05-2011), SL55

UPD 55K Belt Wrap Kit Designed to stop the slipping of the belt under boost pressure and braces the double idler kit for added strength.

Ultimate Performance supercharger belt wrap kit. Designed to stop the slipping of the belt under boost pressure to maintain maximum boost under full throttle and brace the weak factory double idlers, that are known to fail. Specs:

Prevents loss of boost under full throttle , thus increasing power equally across the power band.
Easier and consistent tuning Increases belt wrap on both crank and supercharger pulleys
Kit comes with instructions, all hardware, 1 idler pulley, new belt and brackets.
Reduced belt wear and double idler wear.

PLEASE specify if the crank pulley or supercharger pulley has been changed and what size so proper belt can be included.