Vertex
Vertex Piston Kit CRF250R - CRF250RX GP-Racer Choice Compr. 14.1:1 2020-21 (A) H/Comp
Vertex Piston Kit CRF250R - CRF250RX GP-Racer Choice Compr. 14.1:1 2020-21 (78.96) H/Comp Product Info: Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and...