A premium stock-plus cylinder head from Industrial Injection for 1989–1998 Dodge Cummins 5.9L 12-valve engines. This head ships with fire rings and is intended as an upgraded stock replacement for rebuilds and restorations. The Premium Stock Plus designation indicates a higher-spec replacement head built to fit those Cummins 5.9L 12V applications while retaining stock geometry.
Industrial Injection 89-98 Dodge Cummins 5.9L 12V Premium Stock Plus Head w/Fire Rings