• Prevents Oil From Draining Back Into Crankcase During Engine Shutdown
• Inner Core Provides Extra Structure Support To Prevent Filter Collapse
• Wrench Nut Makes Removal Quick And Easy
• Anti-Drainback Valve

K&N Oil Filters are built to extend the life of your vehicle by trapping harmful contaminants, while allowing for oil flow rates of 12-16 GPM (depending on filter size). All K&N Oil Filters are manufactured to exacting engineering standards and satisfy the needs of race car drivers and engine builders, as well as the average vehicle owner who wants the very best oil filter on the market. The Wrench-Off oil filters are quick and easy to remove using a 1" wrench. The metal leaf spring provides a positive seal and the inner core gives extra structural support. It also has drilled safety wire holes for racing purpose