Wiseco Pistons 868M05400 54.00mm 2-Stroke Off-Road Piston Kit for KTM 125 SX

The Wiseco 868M05400 is a high-performance 2-stroke piston kit designed specifically for KTM 125 SX models from 2002-2011. This 54.00mm bore piston features Wiseco's GP Series design with a 2-ring configuration optimized for off-road racing applications.

Key Features:

• Forged from high-silicon aluminum alloy for maximum strength and dependability under extreme conditions
• Innovative forging design and precision-engineered piston skirt deliver maximum horsepower and torque
• 54.00mm bore diameter with 2-ring configuration for optimal sealing and performance
• Complete kit includes piston, rings, wrist pin, and circlips for easy installation
• GP Series design optimized for competitive off-road and motocross use

Wiseco pistons are engineered to withstand the demanding conditions of 2-stroke racing engines, providing reliable performance and extended service life. This piston kit is designed as a direct replacement for stock pistons and maintains OEM bore specifications. Oversize pistons are available separately and require cylinder sleeving for proper installation.