D560-DINAN UNDERDRIVE CRANKSHAFT PULLEY KIT - BMW M5/M6 D560-0001
D560-0001
BMW
BMW M Series Engine
BMW M5 Engine
BMW M6 Engine
M Series
Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent, reducing parasitic drag on the engine for a 6 HP...
