The GSC Power Division manganese bronze valve guide is specified for intake or exhaust on BMW M3 E46 with the S54 engine and is offered as a single unit. Identified by material and model application, this valve guide serves as a direct OEM-service style component for individual valve guide replacement on the specified E46 S54 applications where a single manganese bronze guide is required.
GSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide - Single