The GSC intake/exhaust valve guide +.001in oversize OD is a single replacement with stopper for Ford 5.0L Coyote Gen 1 and Gen 2 engines. The modest +.001in oversize addresses slight bore wear and allows a corrected fit during head service, providing a serviceable option when the standard guide diameter no longer seats correctly in affected ports.
GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 Int/Exh Valve Guide w/Stopper +.001in Oversize OD - Single