Vertex Pistons 18-19 WR 250 F/16-18 YZ 250 F/17-19 YZ 250 FX Forged GP Racers Choice Piston Kit

Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.