Piston Kit - Honda CRF 450 R / CRF 450 RX ('17-'20) - 450 4T - ProX

Please select the piston size from the box above.

ProX piston kit for Honda CFR 450 R / CRF 450 RX (2017-2020) - 450cc 4T. The complete application list can be found below.

Technical specifications:
- standard cylinder diameter (factory diameter): 96.00 mm
- engine type: 4-stroke
- total piston length (B): 39.30 mm
- piston pin diameter (C): 19.00 mm
- compression height (D): 10.70 mm
- intake valve pocket diameter (E): -
- exhaust valve pocket diameter (F): -
- internal piston pin distance (G): 19.70 mm
- piston crown shape: domed
- other information: 4 x valve pockets
- manufacturing technology: forged piston

- compression ratio: 13.5:1

Available piston sizes (A):
- A (95.96 mm)
- B (95.97 mm)
- B (95.98 mm)