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 in the entire 2021-2026 model year range. Its forged aluminum design is based on a specific aluminum alloy designed for reduced friction and high reliability.

Function and execution

With a diameter of 95.96 mm and a standard compression of 13.5:1, the piston corresponds to the standard design of the engine. The raised top part with a hollow area and four valve pockets are tailored to the respective engine design. The design in OEM-compliant quality is suitable as a suitable component for replacing the piston.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Diameter Ø: 95.96 mm
• Piston compression: standard
• Compression: 13.5:1
• Oversize: STD
• Letter oversize: A
• Displacement/engine cycle specification: 4T
• Piston rings: set
• Piston shape: raised top with hollow area / 4 valve pockets

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 95.96 mm and the STD version with oversize letter A.