Vertex
Vertex Piston Kit KX450F 19-23 H/C Compr. 13.0:1 (B) GP Racer Choice
Vertex Piston Kit KX450F 19-23 H/C Compr. 13.0:1 (95.97) GP Racer Choice Product Info: Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while...