The Rocker Arm on a Dodge Ram 4500 transfers rotating cam motion into pushing the valves. This provides the big truck with crisp breathing and hefty pulling power. Rockers on the powerplant of the Ram 4500 are built to take severe punishment. Each Rocker Arm rides on a low friction roller tip on the cam lobe and drives the valve stem with a constant 1.6 lift ratio. The design boosts airflow, yet a taller cam isn't required. Thus, the Ram 4500 still punches above its weight without going overboard on emissions. The modern metallurgy of Dodge incorporates hardened steel with needle bearings that reduce drag and heat. Consequently, every Rocker Arm remains cool when towing in the mountains or idling for a long time. The Rocker Arm fits early and late Ram 4500 diesels with either two-door or four-door cabs and two or four-wheel drive, allowing owners to install a new one without special changes or issues. This component ensures that the timing of the valve is protected by controlling fuel economy, restricting unwanted noise, and protecting the turbo from backpressure damage, thereby improving the efficiency and safety of every Dodge journey. When the Rocker Arm wears and starts ticking, a quick replacement restores the confident surge that characterizes the Ram 4500. Some of the heavy-duty trims of the Dodge Ram truck use a special full roller shaft which essentially locks several Rocker Arm units to a single common bar. These features boost stability against bursts at redline while also preventing any side-load wear on their parts. This clever little device hidden away in the head plays a huge role by keeping the smooth operation of the Ram 4500 drivetrain, thus giving a responsive performance. Ready for the next thousand Dodge miles. According to veteran owners of the Dodge lineup, the Rocker Arm can last for hundreds of thousands of miles. Every new buyer of a Ram 4500 benefits from this lineage, knowing that a new Rocker Arm means duty cycle no-worry time.
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