K N Cartridge Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average vehicle owner who wants the best oil filter available. K N cartridge oil filters trap harmful contaminants while the construction of the filter allows for high oil flow rates. All K N oil filters are manufactured to meet stringent engineering standards. They are covered by a limited warranty to be free from defects in materials and workmanship. When installed and replaced using engine and equipment manufacturers recommended service intervals. Slip in to the OE housing for an easy fit Allows high oil flow rates Traps harmful contaminants Service interval recommended Limited manufacturer warranty