Twin Air Pre-Oiled Air Filter Yamaha YZ250F / 450F WR250F Assorted S3-Cat-Accessories-Road-SecondSkin This 420 pitch rear sprocket

This 420 pitch rear sprocket features 51 teeth

two exhaust vents on back

It is manufactured using advanced metallurgical processes to ensure it handles high-stress applications with ease

The All Balls Racing IRS Knuckle Kits contain everything required to rebuild the rear knuckle

This heavy-duty drivetrain refreshment kit combines high-quality components to ensure reliable power delivery for KTM motorcycles

Twin Air Pre-Oiled Air Filter Yamaha YZ250F / 450F WR250F Assorted S3-Cat-Accessories-Road-SecondSkin This 420 pitch rear sprocketWith the same treatment that the factory race teams and OEMs receive, the Twin Air Pre Oiled Air Filter is designed to catch all the dust and debris and allow efficient air flow, giving your machine better performance. Pre oiled with biodegradable foam filter oil that provides ultimate consistency in pore coverage. Easy and fast to change out the filter and get back on your bike for more great days of riding. Features: Pre oiled with Twin Air BIO Foam