Kawasaki KX450F Piston Kit - Wiseco - 13:1 CR (`06-`08) is a direct-fit forged piston kit designed for riders looking to restore or upgrade their KX450F's top end. This kit supplies a purpose-built piston, rings, wrist pin and circlips to match specific 4-stroke engine requirements.

Wiseco forged 4-stroke pistons are engineered for specific engine applications and manufactured to tight tolerances for consistent fit and service life. This kit is machined in the USA (Mentor, OH) and features a 98.00 mm bore with a 13:1 compression ratio, intended for Kawasaki KX450F model years 2006–2008 (also listed for KLX450R 2008–2019 in Wiseco documentation). The forging process improves tensile strength and delivers an optimized strength-to-weight ratio for hard use and long-term durability. Included hardware simplifies installation and reduces the need to source separate components.

Features

• Forged Wiseco 4-stroke piston, machined in the USA
• Includes piston rings, wrist pin and circlips
• 98.00 mm bore, 13:1 compression ratio
• Engine-specific design for KX450F `06–`08 (cross-reference KLX450R `08–`19)
• Improved tensile strength and optimized strength-to-weight ratio

If you have questions about fitment, installation or compatibility, please call us directly — we're happy to help: 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services. If you are considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

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