Vertex
Vertex Top End Kit 4T YZ450F 18-19/WR450F 19-20 Compr 12.7:1 (B)
Vertex Top End Kit 4T YZ450F 18-19/WR450F 19-20 Compr 12.7:1 (96.96) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power...