The Vertex Top End Piston Kit For Yamaha YZF250 2014-2015, WRF250 2015-2017 COMPR 13,5:1 76.96MM is part of the latest collection from Vertex.. Features: . All pistons are heat-treated with a T-5 hardening and tempering cycle . All piston skirts...
Features: Includes all oil seals needed to replace OEM.