Dinan
Dinan 06-10 BMW M5 Underdrive Pulley Kit
Dinan 06-10 BMW M5 Underdrive Pulley Kit
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 @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft.
Genuine Dinan. Part number D560-0001.
Ships from US warehouse.
WARNING: California Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.

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