Vertex Forged Piston Kit Big Bore 98.97mm fits Honda CRF450R 2017-24

  
Forged Big Bore Piston Kit (480cc). All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life. Forged Big Bore pistons increase engine's displacement, torque, and peak horsepower. All pistons are heat treated with a T-5 hardening and tempering cycle. Kits include piston, rings, wrist pin and circlips.