Cylinder Works - Yamaha WR450F '07-'15, YZ450F '06-'09, YFZ450R '09-'18 Aviator Ace Universal fitment with clamps to

Universal fitment with clamps to secure line in place

The HG1 Evo WP replaces its predecessor

Ergonomic puller for ease of use

Sipes in the radial TrailRiders are small cuts that create extra grooves

Cylinder Works - Yamaha WR450F '07-'15, YZ450F '06-'09, YFZ450R '09-'18 Aviator Ace Universal fitment with clamps toA Cylinder Works replacement cylinder is a completely new, not remanufactured, cast aluminium nickel silicon carbide (NSC) electroplated stock bore cylinder that appears just like an OE cylinder. NSC is a composite of nickel and silicon carbide, providing an excellent wear resistant surface with oil retention capabilities. Cylinders are then diamond honed to the exact bore dimension and proper surface finish to ensure the proper ring seal and oil