Wiseco 431M07000 Pro-Lite 2-Stroke Forged Piston Kit 70.00mm Standard Bore

The Wiseco 431M07000 is a Pro-Lite forged piston kit designed for 2-stroke off-road and ATV engines with a 70.00mm standard bore. Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH, this piston kit delivers the durability and performance that Wiseco has built its reputation on over more than 80 years of powersports piston manufacturing.

Constructed from high-silicon, low-expansion aluminum alloy, this forged piston offers superior tensile strength, reduced weight, improved heat transfer, and extended service life compared to cast alternatives. Each piston receives a diamond-turned finish produced on CNC computer-controlled turning centers, ensuring a precision fit with zero size variation. Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions.

Kit Includes:

• Forged aluminum piston
• Piston ring set
• Wrist pin
• Circlips (wire pin locks)

Key Specifications:

• Bore Size: 70.00mm (Standard)
• Stroke: 64.4mm
• Engine Type: 2-Stroke, Air-Cooled
• Construction: Forged high-silicon, low-expansion aluminum alloy
• Finish: CNC diamond-turned for precision sizing
• UPC: 193564132734

Wiseco's optimized strength-to-weight ratio and dedicated forging design make this piston kit ideal for both recreational riders and competitive off-road racers demanding maximum performance from their 2-stroke engine.