The high-quality crankshaft bearings and seals are manufactured following strict OEM standards using premium materials, ensuring maximum performance and quality. These crankshaft bearings are designed to meet the rigorous demands of Yamaha and GASGAS engines, providing both durability and reliability. Built with precision engineering, they help to maintain the optimal function of the crankshaft, ensuring smooth operation and prolonged engine life. Perfect for maintenance or upgrades, these bearings deliver exceptional fit and function. Includes: Crankshaft Bearings.