Yokomo ZR-645J Center Shaft Bearing for YR-4M2 Type-J

Maximize drivetrain efficiency with Yokomo's ZR-645J center shaft bearing, engineered specifically for YR-4M2 Type-J platforms. This precision component supports smooth power delivery and reduces friction losses that rob acceleration and top speed. Built to Yokomo's exacting tolerances, it resists wear and maintains consistent performance through countless heat cycles and high-RPM operation. Essential for competitive racers and serious builders, this bearing ensures your drivetrain operates at peak efficiency. Replace worn units to restore snappy throttle response and competitive edge on the track.