Polaris Indy Piston Kit - Wiseco - Classic Forged 2-stroke - `86-`07 is a direct-replacement piston kit engineered for Polaris Indy and Sprint 2-stroke engines from 1986–2007. It provides a forged, race-derived component set intended for reliable engine rebuilds and restorations.

This Wiseco kit (part 2451CS) uses classic forged construction for improved tensile strength over cast pistons, with dedicated forgings and lightening operations for a balanced strength-to-weight ratio. Designed specifically for 2-stroke powersports engines, the kit fits a 62.25 mm bore and is supplied with piston ring(s), wrist pin(s), and circlips. Engineered, forged, and machined in Mentor, OH, it is suitable for vintage motocross models, classic street bikes, and snowmobiles where OEM-style replacement with enhanced durability is desired.

Features

• Forged 2-stroke piston for increased tensile strength
• Optimized lightening for a favorable strength-to-weight ratio
• Complete kit: piston ring(s), wrist pin(s), circlips included
• Specific fitment: Polaris Indy/Sprint 1986–2007, 62.25 mm bore (2451CS)
• Engineered and machined in the USA (Mentor, OH)

If you have questions or want help confirming fitment, call us directly. We have installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) for assistance or to schedule work. If you are considering purchasing multiple items, please contact us for possible shipping discounts. We install on premises at both locations.

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