Honda CRF 450 L (PD 11 L) [2019-2021] - Piston kit

PROX piston kit for Honda CRF 450 L (PD 11 L)

The PROX piston kit is designed for the Honda CRF 450 L (PD 11 L) built between 2019 and 2021. The forged aluminum piston provides a precisely designed solution for redesigning the upper engine area.

Function and execution

With standard piston compression and a compression ratio of 12.0:1, the kit meets the stated technical specifications. The design with the specificity “Flat” and the marking “B” for the oversize makes it easier to select the appropriate piston.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 95,970 mm
• Letter oversize: B
• Oversize: +0.01
• Piston compression: standard
• Compression ratio: 12.0:1
• Stroke: 4T
• Specificity: Flat

Vehicle assignment

Suitable for the Honda CRF 450 L (PD 11 L), built between 2019 and 2021. Please match the technical data of the kit with the existing engine and the intended version before ordering.

Scope of delivery

The kit contains the piston, piston rings, piston pin and circlips. This summarizes the components provided in the kit for piston assembly.