466GC458
Engine Rocker Arm Shaft
Mack

This component is integral to the valve train, transmitting motion from the camshaft to the rocker arms. Its precise operation ensures accurate valve timing, which is critical for engine efficiency and power output. Crafted from high-strength materials, the shaft resists wear and deformation under high-stress conditions, maintaining consistent performance over time. Proper functioning of the rocker arm shaft minimizes engine noise and vibration, contributing to smoother operation. Regular inspection and replacement are essential to prevent valve train failures that could lead to costly repairs. Source One Parts Center offers durable rocker arm shafts designed to meet or exceed OEM standards, supporting the longevity and reliability of your engine.