Vertex
Vertex Piston Kit KX250F-KXE250F Compr 13.5:1 2011-14 (C)
Vertex Piston Kit KX250F-KXE250F Compr 13.5:1 2011-14 (76.97) Product Info: Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by...