GSC Power Division manganese-bronze exhaust valve guide for Porsche 944 Turbo applications. This standard-style guide is +.003in oversize OD and sold individually for exhaust-valve replacement during head service. It restores proper valve-stem alignment and seating in standard guide installations, offering a straightforward, service-oriented option when renewing worn exhaust guides.
GSC P-D Porsche 944 Turbo Exhaust Valve Guide Standard Style +.003in Oversize OD - Single