These GSC valve guides are dimensioned for Ford Mustang 5.0L Coyote Gen 3 intake or exhaust applications, with an outer diameter of .4394 inches and inner diameter of .2360 inches. Provided to support valve sealing and guide function, these guides match the stated dimensions for installation in the specified Coyote Gen 3 cylinder heads where compatible components are required.
GSC Ford Mustang 5.0L Coyote Gen 3 Intake or Exhaust Stopper Valve Guide - OD .4394in, ID .2360in