Honda CRF 450 R [2021-2026] - forged pistons

PROX forged pistons for Honda CRF 450 R 2021-2026

The PROX forged piston is intended for the Honda CRF 450 R from the full 2021-2026 model year range. The aluminum version is forged and designed for a standard piston compression of 13.5:1.

Function and execution

The aluminum alloy used supports low-friction function and a reliable piston design. The raised top with hollow area and four valve pockets correspond to the specified piston shape for this 4T engine.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Diameter: Ø 95.97 mm
• Letter oversize: B
• Oversize: +0.01
• Piston compression: Standard, 13.5:1
• Piston rings: set
• Design: raised top with hollow area and 4 valve pockets
• Engine type: 4T

Vehicle assignment

The forged piston is assigned to the Honda CRF 450 R for the years 2021, 2022, 2023, 2024, 2025 and 2026. When making your selection, please take into account the specified diameter of 95.97 mm, the oversize letter B and the oversize information +0.01.