The Brian Crower 26mm (+1mm) exhaust valve set is specified for 2016+ Yamaha YXZ and Arctic Cat XX models. These exhaust valves are listed at 26mm with a +1mm oversize dimension and are provided for fitment in the named Yamaha and Arctic Cat applications when that valve size is called for during engine service or head work.
Brian Crower Valves - 26mm (+1mm) Exhaust - Yamaha YXZ 2016+ / Arctic Cat XX