Wiseco Pistons 605M06900 Off-Road Piston - 69.00mm 2-Stroke Kit

The Wiseco 605M06900 is a high-performance forged piston kit designed for 2-stroke off-road dirt bikes with a 69.00mm bore size (1.00mm oversize). This Pro-Lite piston is engineered to deliver optimal performance, durability, and extended service life in demanding racing and riding conditions.

Construction and Materials:

• Forged from high-silicon, low-expansion 4032 aluminum alloy for superior strength and reduced weight
• ArmorGlide skirt coating reduces friction and wear
• Diamond-turned finish ensures perfect sizing with zero variation
• CNC computer-controlled machining for precision tolerances

Kit Includes:

• Forged piston with ArmorGlide coating
• Piston rings (Wiseco replacement rings required for service)
• Circlips
• Wrist pin not included (sold separately for 2-stroke applications)

Key Features:

• Improved heat transfer for consistent performance under load
• Extends cylinder life when boring cast iron lined cylinders
• Standard compression ratio design
• Manufactured in the USA at Wiseco's state-of-the-art facility

Wiseco has been the industry leader in forged piston technology since 1941, and remains the only U.S. manufacturer producing pistons exclusively through the forging process. This piston kit represents over 80 years of racing heritage and engineering excellence.