WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The Dinan Underdrive Crankshaft Pulley Kit (D560-0001) is a performance upgrade for the BMW M5 (E60) and M6 (E63) that delivers a verifiable power gain by reducing parasitic drag on the engine. This kit features a lightweight billet aluminum crankshaft pulley that precisely underdrives each of the accessories by 13%. This optimization results in a measured gain of +6HP and +4lb-ft of torque at 8000 RPM on a stock vehicle. Critically, the Dinan underdrive pulley retains the factory harmonic crankshaft damper, effectively eliminating vibration that could otherwise cause damage to the crankshaft.
Features:
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Verifiable Power Gains: Delivers an increase of +6HP and +4lb-ft of torque at 8000 RPM.
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Reduced Parasitic Drag: All accessories are precisely underdriven by 13% to decrease drag on the engine, thereby freeing up power.
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Crankshaft Protection: Retains the factory harmonic crankshaft damper, eliminating harmful vibration to ensure the longevity of the crankshaft.
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Structural Quality: Features a lightweight billet aluminum crankshaft pulley, which is black anodized and engraved for visual appeal and corrosion resistance.
Product Contains:
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(1) Lightweight Billet Aluminum Crankshaft Pulley
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(1) Set of Shorter Belts
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(1) Necessary Mounting Hardware
Warranty This product is supported by Dinan's industry-leading 4-year/50,000-mile factory matching new car warranty. Note: Manufacturer warranty terms are subject to change.
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