Wiseco Pistons 804M06640 Off-Road Piston - 66.40mm 2-Stroke Kit

The Wiseco 804M06640 is a high-performance 2-stroke piston designed for off-road dirt bike applications. This standard bore piston features a 66.40mm diameter and is precision-machined from forged aluminum alloy for maximum strength and durability in demanding riding conditions.

Key Features:

• 66.40mm bore diameter for standard replacement
• Forged aluminum construction for superior strength-to-weight ratio
• Includes piston rings and circlips
• Designed specifically for 2-stroke off-road engines
• Precision-machined skirt and ring grooves for optimal sealing
• Heat-treated for enhanced wear resistance

Important Notes:

• Wrist pin sold separately (standard for Wiseco 2-stroke pistons)
• Use only genuine Wiseco replacement ring sets for proper fit and performance
• Verify fitment for your specific make and model before ordering

Wiseco pistons are trusted by professional riders and mechanics worldwide for their consistent quality and performance. Each piston undergoes rigorous quality control to ensure precise tolerances and reliable operation.