An overhead valve engine, abbreviated (OHV) and sometimes called a pushrod engine, is a piston engine whose valves are located in the cylinder head above the combustion chamber.

Feb 2, 2024 · A pushrod is a metal tube that transmits the reciprocating motion of a valve lifter to the valve. It sits on the valve lifter and rises into the rocker arm. Pushrod engines usually have …

Apr 25, 2025 · A pushrod engine, commonly referred to as an overhead valve (OHV) engine, operates using pushrods to actuate its valves.

Sep 9, 2024 · The pushrod engine, also known as the overhead valve (OHV) engine, is a classic internal combustion engine configuration that has been widely used in automobiles for decades.

Jul 31, 2024 · First, we should probably discuss the three main pushrod parameters that identify a pushrod. The first is diameter. This is the outer diameter of the pushrod at its thickest point. …

Mar 4, 2025 · A pushrod’s diameter and wall thickness play an important role in performance and valvetrain stability, particularly in racing engines. A larger diameter adds stiffness by spreading …

We build superior quality pushrods for performance cars, trucks, motorcycles, tractors, restoration and custom projects. Our pushrods can be found in many NASCAR performance engines and …

Feb 3, 2025 · When building or maintaining a high-performance engine, it’s easy to focus on components like rocker arms, camshafts, or valves. However, one often-overlooked part plays …

May 23, 2024 · What is a Push Rod? A push rod is a part of an internal combustion engine that rests in the top of a valve lifter and goes up into the rocker arm. As the lifter follows the cam …

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