High-strength forged steel construction ensures superior durability and fatigue resistance under extreme engine conditions. Precision CNC machining guarantees perfect fitment with YAMAHA YP250 models, eliminating installation hassles. Advanced heat treatment enhances wear resistance for prolonged service life in high-RPM applications. OEM-grade specifications maintain exact factory dimensions for seamless performance integration. Ideal for motorcycle rebuilds, performance upgrades, or mechanical repairs in professional workshops. Special alloy composition withstands intense combustion pressures while reducing rotational mass. Mirror-polished bearing surfaces minimize friction for optimized power transfer efficiency. Bulk pricing available for repair shops needing inventory for frequent Yamaha engine overhauls.