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GSC Power Division manganese bronze intake/exhaust valve guide for BMW M3 E46 S54, +0.003in oversize OD, single. This oversize guide is offered to restore valve stem clearance after head work and fits the listed engine application. Constructed from manganese bronze, it provides the specified oversize bore and serves as a single replacement guide for intake or exhaust positions as noted.
GSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide +.003in Oversize OD - Single
