FORD RACING HIGH PERFORMANCE OIL FILTERS Synthetic-Polymer/Cellulose-Fiber blend media. Heavy gauge base and canister for higher burst strength and impulse fatigue resistance High quality silicone anti-drain back valve Non-stick sealing gasket for ease of installation and removal Long life with standard and synthetic motor oils Up to 50% more filtering capacity then standard filters Improved filtering efficiency This technology is only available through Ford Racing Performance Parts. Replaces Motorcraft FL-820 filter Upgrade for Motorcraft FL-500 filter (space permitting) Can be used in many FL-500 applications (space permitting)