CNC Billet Valve cover spacer for the jeep 4.0.   These are new and are available in different colors of ano...   They are cut from 6061 aluminum.

This is a must if you decide to run adjustable roller rockers.   The .625" spacer allows the valve cover to clear the adjustment screw on the roller rockers.   

I offer this with along with a thermostat housing spacer that makes getting the top hose on much easier...