Kawasaki KX 450 (KX 450 J) [2019-2022] - forged pistons

PROX forged pistons for Kawasaki KX 450

The PROX forged piston is designed for the Kawasaki KX 450 (KX 450 J) from the entire 2019-2022 model year range. Its forged aluminum design combines the specified standard compression with a design for the 4T engine.

Design and technical features

• Material: aluminum
• Piston type: forged
• Piston compression: standard
• Diameter Ø: 95.98 mm
• Letter oversize: B
• Oversize: +0.01
• Rings Quantity: Set
• Stroke: 4T
• Specificity: flat crown with raised top and 4 valve pockets

The flat piston crown with raised top part and 4 valve pockets forms the characteristic geometry of this PROX version. The piston is designed for standard compression and therefore offers a clearly defined selection for the specified vehicle assignment.

Vehicle assignment

Suitable for Kawasaki KX 450 (KX 450 J), years 2019-2022.

Factual selection aid

The diameter Ø 95.98 mm, the oversize letter B and the oversize dimension +0.01 are particularly relevant for the selection. The forged aluminum version is manufactured to OEM-equivalent quality. Before making your selection, please compare the technical characteristics with the existing motor and the intended application.