Wiseco K0142A3 Forged Piston Kit with Rings, Pin & Circlips

The Wiseco K0142A3 is a forged piston kit engineered for high-performance powersports and motorsport applications. Wiseco's forged pistons are manufactured from aerospace-grade 2618 aluminum alloy, providing superior strength and thermal resistance compared to cast alternatives — making them a trusted choice for high-output engines operating under extreme conditions.

Key Features:

• Forged 2618 aluminum construction for exceptional strength-to-weight ratio and durability under high heat and pressure
• Complete kit includes forged piston, ring set, wrist pin, and circlips for a straightforward installation
• Precision CNC machined to tight tolerances for optimal ring seal and consistent combustion chamber volume
• ArmorGlide skirt coating (on applicable models) reduces friction and wear for extended engine life
• Wiseco ring set included — matched rings engineered specifically for this piston diameter and application
• "A3" oversize designation — designed for use in bored or lightly worn cylinders requiring an oversize fit

Wiseco has been a leading manufacturer of high-performance forged pistons since 1941, supplying OEM and aftermarket customers across motocross, ATV, snowmobile, PWC, and road racing applications. The K0142A3 delivers the reliability and performance demanded by competitive riders and engine builders alike.