Wiseco 670M04650 Pro-Lite Forged Piston Kit Bore - 2-Stroke 46.5mm

The Wiseco 670M04650 Pro-Lite Piston Kit is a high-performance forged 2-stroke piston kit designed for the Suzuki RM80 (1991–2001). With a 46.50 mm bore (ring set code 1830CS), this kit delivers the proven durability and performance that Wiseco's Pro-Lite line has been built on for decades. It is a purpose-built replacement piston engineered to restore top-end performance to stock bore 2-stroke engines.

Wiseco's Pro-Lite series is the forged 2-stroke piston that established Wiseco's reputation in the powersports industry. Each piston is engineered, forged, and machined in the USA at Wiseco's facility in Mentor, Ohio, and is designed specifically for its target engine to ensure precise fit and optimal performance.

Key Features:

• Bore Size: 46.50 mm (Ring Set: 1830CS)
• Dedicated forging with optimized strength-to-weight ratio for quick throttle response
• Forged from aerospace-grade aluminum alloy for superior tensile strength and service life
• CNC machined for precise cam shape and profile delivering peak horsepower and longevity
• High-performance ring set for extended engine life and sustained power output
• Highest-quality alloy wrist pin — consistently true and durable
• Engineered, forged, and machined in the USA (Mentor, OH)

Kit Includes:

• 1 Forged piston
• Piston ring set (1830CS)
• Wrist pin
• 2 Circlips

Note: Top-end bearings, gaskets, and cylinder sleeves are not included. Cylinder sleeving and/or bore/re-nikasil may be required for oversize applications. This kit covers a single cylinder only.