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S2 | 600-1200WHP | 3500-7500RPM Rev Range
and valve float for optimal power delivery and engine longevity
which may fail under extreme conditions
*Note: The pinch clamps are best for not putting a side load on the plastic barbed ends
Designed for BMW N63 engines with superior performance at extreme RPMs
ARP Harmonic Damper Bolt Set, BMW / Toyota B58 Fuel Filler S2 | 600-1200WHP | 3500-7500RPMBMW 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
