Wiseco Pistons 439M07050 Dirt Bike Piston 0.50mm Oversize

The Wiseco 439M07050 is a high-performance dirt bike piston designed for riders demanding durability and precision. This piston features a 0.50mm oversize bore dimension, making it ideal for engine rebuilds where cylinder boring is required to restore proper compression and performance.

Key Features:

• 0.50mm oversize diameter for bored cylinders
• Precision-machined from high-silicon aluminum alloy for strength and heat dissipation
• ArmorGlide skirt coating reduces friction and wear
• Complete kit includes piston rings, wrist pin, and circlips
• Engineered for maximum power and reliability in demanding off-road conditions

What's Included:

• Piston
• Piston rings (pre-gapped)
• Wrist pin
• Circlips

Important Notes:

• Four-stroke piston assembly comes complete with all necessary components
• Only Wiseco replacement ring sets should be used with Wiseco pistons to ensure proper fit and performance
• Professional installation recommended

Wiseco has been the choice of champions for decades, manufacturing pistons that meet the extreme demands of motocross, enduro, and off-road racing. Each piston is designed using advanced CAD technology and manufactured to exacting tolerances for optimal performance and longevity.