Polaris Scrambler Piston Kit - Wiseco - 10.21 - `96-`13: a Wiseco forged replacement piston kit designed for Polaris 500 Sportsman/Scrambler models from 1996–2013. This kit supplies a direct-fit, high-strength forged piston and related hardware for rebuilds or performance-focused maintenance.

Wiseco's forged 4-stroke pistons are engineered for specific powersports engines and machined to tight tolerances. The forged material offers improved tensile strength for better durability and service life compared with cast pistons. This kit is intended to restore correct bore size and compression characteristics while providing components built for consistent fit and function.

Features

• Application: Polaris 500 Sportsman / Scrambler (1996–2013)
• Forged Wiseco 4-stroke piston, engineered for specific engine application
• Bore: 92.50 mm (+0.5 oversize)
• Compression Ratio: 10.2:1
• Includes high-quality piston rings, wrist pin(s), and circlips
• Forged and machined in the USA (Mentor, OH) to tight tolerances

This kit is a practical choice for enthusiasts rebuilding or customizing their Polaris 500 engine who want a durable, application-specific piston and full hardware set. If you have questions about fitment, clearances, or installation, call us directly.

We offer installation and customization services at both of our locations — Austin, Texas and the Los Angeles, California area. Call us: 512-982-9393 (TX) or 562-981-6800 (CA). 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