Check the listing for details. Wiseco Pro-Lite Piston Kit - 4-Stroke - Kit, Default. Condition: New. Listed at 166.97 USD. The MotoSport Wiseco Pro-Lite Piston Kit - 4-Stroke includes one of each of the following components with the following attributes: The Wiseco Piston Kit is not just a basic piston replacement, it is a performance piston kit that is more durable than O.E.M. pistons and includes everything necessary to rebuild your top end. Wiseco Pro-Lite Piston: Important note: This piston is for a stock sized bore. Please measure your cylinder to check clearance before ordering. Wiseco leads the performance aftermarket by producing the highest quality forged pistons in the U.S.A. Wiseco is unique because they forge all of their own pistons in-house, and produce all of their own forge tooling in the U.S.A. This allows Wiseco to control all aspects of.