Dinan D560-0001 Underdrive Crankshaft Pulley Kit Fits 06-10 M5 M6

Crankshaft Pulley

Underdrive Crankshaft Pulley Kit

Underdrive Crankshaft Pulley Kit; Lightweight; Billet Aluminum; 6 Max Horsepower Gain At 8000 RPM; 6 lbs.-ft. Max Torque Gain; Includes Shorter Belts; Mounting Hardware;

Dinan lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13%, reducing parasitic drag on the engine for a 6 horsepower and 4 lbs.-ft. torque gain. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft. The kit includes all of the necessary mounting hardware, lightweight pulley and shorter belts.

At Dinan our passion for European cars is seen in our dedication to producing and creating the most innovative and performance driven aftermarket parts on the market. The serious enthusiasts turn to us because they appreciate our ability to make performance upgrades that outperform the rest of the aftermarket industry. With years of experience working with BMWs and other marques, our technicians and engineers are trained to find ways of getting the best out of each European vehicle that comes unto the market. With massive amounts of R&D behind all the aftermarket parts we build as well as using the best quality materials, such as stainless steel and carbon fiber, our parts aren't merely just parts; they are portals that allow us take a car from good, too great.Most of the parts from Dinan come to our customers with the best warranty in the aftermarket business with a factory matching 4 year or 50,000-mile new car warranty. This allows owners to have confidence in our upgrades: we proudly stand behind our work and our warranty guarantees that you'll be happy.