K&N Replacement XD Air Filter – YZ450F (2018–19) Sizing Guide_Sizing Guide - Six Shell MD1157X - Sold as Single

MD1157X - Sold as Single Disc - Refer to catalogue on website for correct vehicle application

• Leather covered TPU knuckle

Supplied with 3 security keys

Rebuild your engine with these and enjoy trouble free riding for years to come

Kits contain copper washers

K&N Replacement XD Air Filter – YZ450F (2018–19) Sizing Guide_Sizing Guide - Six Shell MD1157X - Sold as SingleK&N off road replacement air filters are ideal for extended use in dirty and dusty off road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration. Features: Engineered to provide increased horsepower and acceleration. Designed for quick foam or filter servicing after