Explore FD's precision-engineered piston, designed to elevate the performance of your engine. This piston package includes a set of piston rings with dimensions of 128mm, 3.5T x 2.5 x 3.5, ensuring exceptional sealing. With a Diameter of 128mm, a Piston pin measuring 55x80mm, and a Combustion chamber of 70mm / 82mm, this piston is built to deliver outstanding results. Featuring 4 valve openings, this piston is a versatile choice for various engine applications. It is sold as a complete package, which includes piston rings, pin, and clips, for your convenience. However, it is crucial to accurately determine the correct piston size required for your engine, as we do not accept returns for pistons that have been mounted or exhibit signs of engine installation. FD is committed to providing top-quality engine components, and this piston is no exception. If you're looking to optimize the performance of your engine, this piston is the ideal choice. Contact us today for more information or to place your order." Please note that the provided "Cross numbers" refer to alternate part numbers for compatibility.