Upgrade your 2-stroke engine's performance with this Wiseco high-performance piston kit. This complete kit provides all the necessary components for a top-end rebuild, ensuring optimal power and reliability. Experience the quality and precision that Wiseco is known for, enhancing your machine's performance on the track or trail. Description This Wiseco piston kit is specifically designed for 49cc 2-stroke engines. It includes a high-quality piston crafted from 4032 aluminum alloy for superior strength and heat resistance. The kit comes complete with piston rings, wrist pins, circlips, and a top-end gasket kit, offering everything needed for a comprehensive rebuild. Wiseco's advanced engineering ensures a precise fit and optimal performance, increasing horsepower and extending engine life. Note the piston diameter is 40.95mm and the bore size is 41.00mm. Features & highlights Complete top-end rebuild kit for 2-stroke engines. Piston crafted from high-strength 4032 aluminum alloy. Includes piston, rings, wrist pin, circlips, and top-end gasket kit. Engineered for precise fit and optimal performance. Enhances horsepower and extends engine life. Designed for 49cc displacement engines. Technical specifications Brand: Wiseco Product Name: Rebuild Kit Vendor Part Number: PK1665 Engine Type: 2-Stroke Displacement: 49 cc Bore Size: 41.00 mm Piston Diameter: 40.95 mm Stroke Length: 37.80 mm Piston Material: 4032 Aluminum Alloy Skirt Coating: Non-Coated Type: Top End Units: Kit Bore - Oversize: Standard Important to know Wiseco pistons must be fitted with Wiseco rings. Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC). Cylinder sleeves must be purchased separately.