Wiseco Pistons RE912M06640 Racers Elite Piston 66.40mm KTM 250SX TC/TE250

The Wiseco Racers Elite piston is a premium, high-performance replacement piston engineered for KTM 250SX, Husqvarna TC/TE250, and KTM SX/EXC250 motocross and enduro bikes. This 66.40mm bore piston represents Wiseco's top-tier racing technology, delivering dyno-proven power gains and maximum durability under extreme racing conditions.

Advanced Design Features:

• 100% Billet Machined Construction: CNC machined from forged aluminum billet for superior strength-to-weight ratio and optimized fit
• Asymmetric Skirt Design: Reduces wear and provides even loading on the major thrust side of the skirt for extended piston life
• High Compression Dome Design: Engineered to maximize torque and throttle response throughout the powerband
• ArmorGlide® Skirt Coating: Premium friction-reducing coating protects the skirt during cold starts and reduces operating friction
• Precision Fit Ring: Custom lapped compression ring improves sealing for better power delivery and reduced blowby
• DLC Coated Piston Pin: Diamond-Like Carbon coating provides extreme wear resistance and reduced friction
• Enhanced Pin Oiling: Improved lubrication design reduces friction and heat buildup in the pin bore
• Pressure Seal Groove: Prevents ring lifting and power loss by maintaining optimal ring seal under all conditions

Performance Benefits:

• Research and development tested for proven performance gains
• Increased power and torque compared to stock pistons
• Improved durability and longevity in racing applications
• Reduced friction for cooler running temperatures
• Maximum throttle response and acceleration

The Wiseco Racers Elite series represents the pinnacle of two-stroke piston technology, combining advanced materials, precision manufacturing, and race-proven design features. Bore size: 66.40mm.