Originally Posted By: fingersix
the air cleaner cross section in the middle over the valve cover area is 1-5/8" thick,,mine is up high cuase the pvc is in the center of a merc cover, and the oil fill is rear ward alittle,, if you use a different valve cover, this cleaner can squat right down on top,,,


Thanks for the info. I have plans to use the mercruiser valve cover too.