90-93 Polaris 350 Trail Boss (639M08150) Piston

Description

Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.

Features & benefits

• Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
• Improved tensile strength of forged material optimizes strength and service life
• Designed and built for each specific 2-stroke powersports engine
• Includes high-quality piston ring(s), wrist pin(s), and circlips
• Engineered, forged, and machined in the USA in Mentor, OH

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).