K&N Motorcycle Crankcase Vent Filters

K&N Motorcycle Crankcase Vent Filters are designed for race use only and are fitted directly on to the engine crankcase breather so that engine oil and crankcase gases don’t enter the air filter providing air filter durability and a cleaner intake. The K&N Motorcycle Crankcase Vent Filter is a one piece design with a rubber, or chrome top, and a vent tube added to the base.