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Designed for BMW N63 engines with superior performance at extreme RPMs
*Note: The pinch clamps are best for not putting a side load on the plastic barbed ends
They've increased the core volume by 23 percent and expanded the external fin surface area by 44 percent
these rods are engineered for high-performance applications
ARP Harmonic Damper Bolt Set, BMW / Toyota B58 Fuel Filler Designed for BMW N63 enginesBMW OEM damper bolts are grade 10 and Torque to Yield, designed for one time use. While this is adequate for factory power levels, these bolts fall short when power levels are increased. 5150 AutoSport has observed damper bolts coming loose and breaking, leading to engine and crank damage, as well as improper torque load between bolts. The factory bolts are simply not sufficient for those planning to run above factory power levels. 5150 AutoSport
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