Kawasaki KLX450R Piston Kit - Wiseco - 131 CR - '08-'19. A purpose-built forged piston kit designed for the KLX450R to replace or upgrade your stock piston with a Wiseco 131 CR configuration.

This Wiseco piston kit is engineered for 4-stroke powersports use and manufactured to tight tolerances for consistent fit and durability. The kit is a dedicated forging for the Kawasaki KLX450R (2008–2019) application and is machined in the USA in Mentor, OH. Wiseco’s forged material improves tensile strength and service life compared with many cast alternatives. The package includes high-quality piston rings, wrist pin(s), and circlips to simplify installation. Specified at a 98.00 mm bore and a 13.0:1 compression ratio (131 CR), this kit is intended for riders and mechanics who want a reliable replacement or performance-oriented build component without guesswork.

Features

• Forged 4-stroke piston engineered for Kawasaki KLX450R 2008–2019
• 98.00 mm bore with 13.0:1 compression ratio (131 CR)
• Includes piston rings, wrist pin(s), and circlips
• Dedicated forgings for optimized strength-to-weight and improved tensile strength
• Engineered and machined in the USA (Mentor, OH)

If you have questions or need compatibility confirmation, call us directly — we’re happy to help. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Call: 512-982-9393 (TX) or 562-981-6800 (CA).

Please note: if you are considering purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov