20706089
Engine Rocker Arm Adjusting Screw
Mack

This adjusting screw is vital for maintaining proper valve clearance in the engine's rocker arm assembly. Precise adjustment of the rocker arm ensures optimal valve timing, which is essential for efficient engine operation and power output. Properly set clearance reduces valve train noise and prevents premature component wear, extending engine life. The screw's robust design withstands the rigors of high-performance engine cycles, maintaining consistent tension and adjustment over time. Correct adjustment with this screw ensures smooth engine operation, fuel efficiency, and reduced emissions. It is a critical part for technicians performing engine tune-ups or repairs, simplifying the process of achieving accurate valve lash. Source One Parts Center supplies this high-quality component, ensuring compatibility and durability for your Mack engine maintenance needs.