GSC Power Division manganese bronze intake/exhaust valve guide for Ford Mustang 5.0L Coyote, +0.003in OD, single. Offered to fit the Coyote engine when an oversize guide is required after head work, it helps restore correct valve stem clearance. The manganese bronze material is listed in the part description and the unit is intended as a single replacement guide matching the oversize specification.
GSC P-D Ford Mustang 5.0L Coyote Manganese Bronze Intake/Exhaust Valve Guide +.003in OD - Single