Wiseco Pistons 519M05550 Dirt Bike Piston 1.50mm Oversize

The Wiseco 519M05550 is a high-performance oversize piston designed for dirt bike applications, featuring a 1.50mm overbore specification. Wiseco pistons are precision-forged from high-silicon aluminum alloy to provide superior strength and heat resistance in demanding off-road conditions.

Key Features:

• 1.50mm oversize bore dimension for rebuilding worn cylinders
• Forged aluminum construction for maximum durability and reliability
• ArmorGlide skirt coating reduces friction and wear
• Precision-machined ring grooves ensure optimal compression and oil control
• Computer-designed dome and valve pocket geometry

Complete 4-Stroke Piston Kit Includes:

• Forged piston
• Piston rings (compression and oil control)
• Wrist pin
• Circlips (retaining clips)

Wiseco pistons are engineered to meet or exceed OEM specifications, making them ideal for performance rebuilds, big bore conversions, and engine restoration projects. The oversize design allows machinists to bore out cylinders to remove wear, scoring, or damage while maintaining proper clearances.

Note: Wiseco replacement ring sets must be used when replacing rings on Wiseco pistons to ensure proper fit and performance.