Ford Racing High Performance Oil Filter ( Equivalant to Ryco Z9 ) # M 6731 FL1A Rate_Special Scorpion LS Race Series Rocker Scorpion LS Race Series Rocker Arms Holley EFI LS Hi Ram intake manifold bases are cost effective alternatives to fabricated sheet metal for high performance applications where induction system height is not limited Features include: Synthetic polymer cellulose fiber blend media Heavy gauge bases and canisters Higher burst strength and fatigue resistance High quality silicone anti drain back valves Non stick sealing gaskets Long life with all motor oils Up to 50 percent more filtering capacity than standard filters Improved filtering efficiency Oil Filter Style: