A rocker arm is a valvetrain component that typically transfers the motion of a pushrod in an overhead valve internal combustion engine to the corresponding intake/exhaust valve.

Nov 4, 2025 · That annoying ticking coming from under your hood likely isn’t your imagination. A malfunctioning rocker arm is often the cause of this worrisome sound. Keep reading to learn about …

In an IC engine, the rocker arm is a mechanical device that transmits the pushrod motion to the corresponding exhaust and intake valves. Stamped steel or aluminum (for high-speed applications) …

Mar 15, 2023 · In this guide, we’ll walk you through everything you need to know to diagnose a broken or worn rocker arm before diving into precisely what a rocker arm does and how much it costs to …

Nov 20, 2025 · Learn the top symptoms of a bad rocker arm, including ticking noise, misfires, and poor performance. Find out how to diagnose, replace, and prevent future issues.

Feb 6, 2024 · The purpose of a rocker arm is to move the intake and exhaust valves when the camshafts are not mounted directly above them. They are most commonly used on engines without …

Feb 23, 2023 · In this article, we cover everything when it comes to rocker arm and how to diagnose and replace a bad rocker arm based on the symptoms.

The rocker arm is a very simple engine part that makes a slight rotation over the engine cylinder head. At the first end of the rocker arm, camshaft buckles are in contact.

Mar 4, 2024 · Rocker arms help in the distribution of wear and load on the camshaft. Without rocker arms, the valves would be directly impacted by the lobes of the camshaft, increasing wear and …

Nov 1, 2025 · A rocker arm is a mechanical lever found within an engine’s cylinder head, translating motion for the valvetrain system. Its primary role is to convert the upward movement generated by …