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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
5'' polished stainless
The thread depths for the water/methanol nozzles are also checked to allow for a proper spray pattern without hitting the inside walls of the threaded holes
Unsure if Straight through or With Venturi is right for you
This comprehensive system is much larger than stock thanks to the sweeping design of the cast inlet pipe
You can email it to your sales rep or to info@activeautowerke
Dinan Underdrive Crankshaft Pulley Kit - BMW M5/M6 13 Percent Underdrive - Billet Aluminum - E60/E63/E64 BMW X1 U11 5'' polished stainless13 Percent Underdrive Billet Aluminum E60 E63 E64 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. The kit includes all of the necessary
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