W219 CLS Carbon Fiber Trunk Spoiler -FD Style carbon fiber High quality Nachi bearings are

High quality Nachi bearings are used and only double bearings seals are used to protect bearings from heat and dirt

Easier and consistent tuning Increases belt wrap on both crank and supercharger pulleys

while maintaining a safe level of boost and supercharger rpm

thus increasing power equally across the power band

Compatibility: W219 2006-2011 CLS55 & CLS63 AMG

W219 CLS Carbon Fiber Trunk Spoiler -FD Style carbon fiber High quality Nachi bearings areCompatibility: W219 2006 2011 CLS Excellent fitment & quality Direct bolt on Professional installation required Constructed with fiber reinforced polymer with carbon fiber overlay Will not fade from sun like other carbon fiber lips on the market