Wiseco SK1093 2-Stroke Forged Piston Kit for Polaris 650 Indy Snowmobile

The Wiseco SK1093 is a high-performance forged 2-stroke piston kit designed for the Polaris 650 Indy snowmobile. Featuring a 70.00 mm bore and cross-referencing OEM part numbers 2346M07000 and 2756CD, this kit delivers the strength and precision demanded by snocross and cross-country racing applications.

Pro-Lite Forged Construction:

• Forged in-house at Wiseco's USA facility from aerospace-grade high-silicon aluminum alloy for superior strength and durability
• CNC machined to an optimized cam shape and profile for peak horsepower and extended service life
• Dedicated forgings produce a condensed, aligned grain structure that improves mechanical properties, impact resistance, and fatigue life compared to cast alternatives
• Optimized strength-to-weight ratio through application-specific forging design
• Skirt coating applied for reduced friction and improved break-in performance

Complete Kit Includes:

• Forged Pro-Lite piston
• High-performance piston rings
• Alloy wrist pin
• Circlips
• Top-end gasket kit

Every SK1093 kit is developed and validated through Wiseco's in-house dyno testing program, ensuring race-proven performance right out of the box. As the only aftermarket piston manufacturer to forge all pistons in-house in the USA, Wiseco controls every stage of production — from raw material to finished skirt-coated part — guaranteeing consistent quality and tight tolerances.