Honda CRF 450 R (PE 07) [2017-2020] - forged pistons

PROX forged pistons for Honda CRF 450 R

The PROX forged piston is designed for the Honda CRF 450 R (PE 07) from the 2017-2020 model year range. Its forged aluminum design combines the technical design of a resilient piston with an aluminum alloy designed to reduce friction. The design therefore supports reliable operation of the engine.

Function and execution

The piston top is raised and has a hollow area and 4 valve pockets. These features take into account the design of the piston for the specified 4T engine. The piston compression corresponds to the standard version at 13.5:1.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Diameter Ø: 95.96 mm
• Piston compression: Standard, 13.5:1
• Letter oversize: A
• Oversize: STD
• Rings Quantity: Set
• Hub version: 4T
• Specificity: raised top with hollow area and 4 valve pockets

Vehicle assignment

Suitable for the Honda CRF 450 R (PE 07), built between 2017 and 2020. The assignment applies to this vehicle and the complete model year range mentioned.

Factual note

The piston diameter is 95.96 mm. The specified vehicle assignment, the standard compression of 13.5:1 and the markings A and STD are therefore decisive for the selection.