One piece billet valve cover fits 1994 to 1998.5 Cummins 5.9L 12 valve engines. Notched to fit over stock injection lines.3.25″ total height will clear most all aftermarket studs. Taller than stock covers. Also acts as a girdle for the rocker pedestals to help stabilize them when using high spring pressures and rpm. Engraved with Keating Machine logo on top. Can be ordered custom engraved or without engraving, call for to order a custom valve cover. Sealed with individual o-rings to head. If you have a First gen 1989 to 1993 engine we have valve covers for those engines also. Be sure to check the box if you want a -12AN breather port in the top of the valve cover.