Check the listing for details. Wiseco High Performance Piston Kit 92mm STD Arctic Cat 550 H1 4x4 11. Condition: New. Listed at 176.76 USD. Wiseco leads the performance aftermarket by producing the highest quality forged pistons for Dirt Bikes, ATVs, Snowmobiles, Marine Vehicles, and Motorcycles right here in the USA. Wiseco is unique because we forge all of our pistons in-house, and produce all of our forge toolings right here in the USA. This allows us to control all aspects of our manufacturing process from raw bar to skirt coating finished parts. In addition, in-house dyno testing gives Wiseco the ability to develop state-of-the-art technology such as new shapes, coatings, and components, and lead the industry through rigorous R&D. Linking all segments of Wiseco's organization through design, testing, manufacturing, and distribution allows us to fulfill market needs with minimum lead-times. .