Original Randy Smith designFeatures a guaranteed fit and are compatible with the very latest breather system (early breathers too)Include adequate clearance for all factory framesFully machined from domestic aircraft grade aluminum alloy billetsAre not subject to warpage and oil seepage as die-cast imported copiesThe underside of the covers have been machined for additional clearance which will accommodate virtually any high-lift camAvailable in a polished or chromed finishPolished stainless button-head allen screws and washers are also includedSold eachMade in the U.S.A.