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This GSC Power Division manganese-bronze intake valve guide is a standard-style replacement for Porsche 944 Turbo engines, supplied as a single +.003in oversize unit. Intended for head rebuilds and valve jobs, it addresses worn guide bores by increasing the outer diameter to restore correct clearance and preserve valve alignment and sealing on the intake side.
GSC P-D Porsche 944 Turbo Intake Valve Guide Standard Style +.003in Oversize OD - Single
