Original Randy Smith design Top covers only Features a guaranteed fit and are compatible with the very latest breather system (early breathers too) Include adequate clearance for all factory frames Domestic aircraft-grade billet aluminum alloy Are not subject to the warpage and oil seepage that die-cast imported copies are The undersides of the covers have been machined for additional clearance which will accommodate virtually any high-lift cam Polished stainless button-head Allen screws and washers are also included Made in the U.S.A.. ROCKER CVR FIN EVO POL