Big Bore Cylinder Kit BRAND: Athena MPN: P400485100021 SIZE: (480cc) - 3.00mm Oversize to 98.00mm

The Athena Big Bore Cylinder Kit is built from race-proven designs to meet Yamaha factory specifications. Chosen by top racing teams, this kit brings raw power to your vehicle in a reliable and easy-to-install package. No machining is needed in most cases, making it a straightforward upgrade. Dimensions are 32.766 cm in length, 20.828 cm in width, and 16.002 cm in height.