Wiseco 558M06700 Pro-Lite Piston Kit 67mm Standard Bore 2-Stroke

The Wiseco 558M06700 Pro-Lite Piston Kit delivers race-proven performance for 2-stroke dirt bike engines with a 67.00mm standard bore. This complete piston kit is precision-forged from aerospace-quality aluminum alloy, utilizing Wiseco's advanced manufacturing processes developed over 80+ years of racing heritage.

Key Features:

• 67.00mm standard bore diameter with 70.00mm stroke
• Pro-Lite design features optimized weight reduction for instant throttle response
• Forged from high silicon, low expansion aluminum for superior strength and heat dissipation
• Precision CNC machined with diamond-turned finish for perfect fit and consistency
• Includes high-performance ring set (2638CS), wrist pin (S459), and circlips (CW18)
• Designed for 246cc displacement applications

Each Wiseco Pro-Lite piston is manufactured in their state-of-the-art facility using dedicated forgings and computer-controlled machining to ensure optimal cam profiles, reduced friction, and extended service life. The boron composite construction provides an ideal strength-to-weight ratio for demanding off-road and racing applications. Note: Wiseco replacement ring sets must be used when servicing Wiseco pistons.