W211 E55 & E63 AMG 3 Fin Carbon Fiber Rear Bumper Diffuser Cooling 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

Compatibility: W211 2007-2009 E63 AMG

By decreasing the size of the pulley

Compatible with most all cars with the M156 engine: C63

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

W211 E55 & E63 AMG 3 Fin Carbon Fiber Rear Bumper Diffuser Cooling High quality Nachi bearings areCompatibility: W211 2003 2009 E55, E63, or E class with AMG rear bumper 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