PROX 01.4418.A Piston Kit for Kawasaki KFX450R 2008-2010, 12.4:1 Compression

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PROX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. PROX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc. PROX Piston Kits for sleeved cylinders are available in standard size and a wide range of oversizes. The availability of oversizes up to 2mm significantly helps to increase the lifespan of a cylinder by offering more re-boring possibilities. PROX pistons for plated cylinders come in standard size, as well as in A, B, C, D+ oversizes. Take advantage of the additional oversizes to extend the lifespan of plated cylinders. All PROX Piston Kits are supplied complete with Piston Rings, Wrist Pin and Circlips, ready to install!

The PROX 01.4418.A Piston Kit is designed for Kawasaki KFX450R models from 2008 through 2010. Built for powersports engine applications, this kit provides a direct-fit replacement piston solution for riders and technicians completing an engine rebuild or performance-focused maintenance service.

Featuring a 12.4:1 compression ratio, the PROX piston is engineered to support responsive engine performance while maintaining the fit and function expected from a quality replacement component. The kit format helps simplify installation by supplying the piston assembly components needed for proper service, reducing the need to source compatible parts separately.

PROX is recognized for producing dependable aftermarket engine components for motorcycles, ATVs, and other powersports vehicles. Part number 01.4418.A is application-specific for the Kawasaki KFX450R model range listed above, making it important to verify vehicle year, engine configuration, and manufacturer service requirements before installation. Professional installation and careful inspection of related engine components are recommended for the best results.

Application: Kawasaki KFX450R, 2008-2010
Compression Ratio: 12.4:1
Product Type: Piston kit
Brand: PROX
Part Number: 01.4418.A
Unit of Measure: Kit

Features:

• Application: Designed for Kawasaki KFX450R models from 2008 through 2010
• Compression Ratio: 12.4:1 configuration for the specified application
• Product Type: Replacement piston kit for powersports engine service
• Fitment: Application-specific design for reliable installation when matched to the correct vehicle
• Brand: PROX aftermarket engine component
• Part Number: 01.4418.A
• Unit of Measure: Kit