The GSC Power Division manganese bronze intake valve guide for 2012 and later Subaru BRZ models with the FA20 engine is a stopper-style replacement offered in a +.003in outer diameter oversize as a single piece. Provided individually, this guide supplies a larger oversize option for intake valve service or head work on FA20 BRZ applications where a +.003in fit is required.
GSC P-D 2012+ Subaru BRZ FA20 Manganese Bronze Intake Valve Guide Stopper Style +.003in OD - Single