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GSC Power Division manganese bronze intake/exhaust valve guide for BMW M3 E46 S54, +0.001in oversize OD, single. Supplied to match the oversize specification for either intake or exhaust service, it helps reestablish correct valve stem fit. The manganese bronze construction is listed in the description and the part is intended as a direct replacement guide sized to the indicated oversize.
GSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide +.001in Oversize OD - Single
