If you're serious about your off-road machine, you know Wiseco pistons are the real deal. This 55.00mm 2-stroke piston is built from over 70 years of racing experience and it shows. Made from aerospace-quality aluminum alloy that's forged for ultimate strength - we're talking serious durability that can handle high-performance demands and keep going strong. Every piston is CNC machined to crazy precise tolerances, so you get perfect fit and optimal performance. The shape and profile are specifically optimized to make your engine breathe better and deliver more power. Each kit comes complete with piston rings, piston pin, and circlips so you have everything you need for installation. Whether you're rebuilding your dirt bike, ATV, or any 2-stroke off-road vehicle, this piston gives you that reliable performance upgrade you're looking for. Wiseco doesn't mess around - this is professional-grade stuff that delivers where it counts. Your engine will thank you with better response, more power, and longer service life between rebuilds.