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The GSC Power Division 33mm (+1mm) Super Alloy exhaust valve set is a matched eight-piece kit for Ford Mustang 5.0L Coyote Gen 3 heads. These +1mm super-alloy exhaust valves provide an oversized option for head builds and repairs, maintaining OEM-style fit while supplying upgraded alloy construction. They are intended to restore proper exhaust valve seating and valvetrain function during cylinder head service.
GSC P-D Ford Mustang 5.0L Coyote Gen 3 33mm Head (+1mm) Super Alloy Exhaust Valve - Set of 8
