Upgrade your engine performance with the PROX Piston Rings designed specifically for Husqvarna and KTM models. These piston rings are engineered to fit Pro X pistons only, ensuring a perfect match that enhances your bike's efficiency. With a diameter of 46.95mm, they provide exceptional sealing and durability, making them a reliable choice for both amateur and professional riders. Why choose PROX? Not only do these piston rings save you money compared to OEM pricing, but they also interchange directly with OEM parts, making installation straightforward and hassle-free. Trust in the quality and precision of PROX to keep your bike running at its best. Invest in the longevity of your engine and experience improved performance with PROX Piston Rings. Perfect for those who demand reliability and efficiency on the track or trail. Features: * Save money over OEM pricing * Interchange directly with OEM parts * Engineered for Pro X pistons only