Best Engine Rocker Arm Assemblies of 2026

The Koomaha Rocker Arm Assembly is designed to fit various Chrysler and Dodge models with 3.5L and 4.0L engines, including popular vehicles like the Chrysler 300, Pacifica, and Dodge Charger. This assembly works with both inlet and exhaust valves, helping maintain smooth engine performance. It replaces original parts with OE numbers like 04892293AC, ensuring compatibility and reliability. Whether you own a 2005-2010 Chrysler or a 2004-2011 Dodge, this part offers a direct fit, making installation easier and helping your engine run efficiently.

Upgrade your engine with the Scorpion Roller Rocker Arm for Small Block Chevy. This auto part replacement is perfect for those looking to improve their engine's performance. With a 1.5 ratio, this pack of 16 roller rocker arm assemblies will provide a smoother and more efficient operation. The product dimensions of 45.6 H x 9 L x 11.2 W (centimeters) and a weight of 3.86 kilograms make it easy to install. The Scorpion Roller Rocker Arm is a great investment for those looking for a high-quality and durable engine rocker arm assembly.

This Genuine Ford Rocker Arm Valve Assembly is a high-quality OEM factory part that provides an exact fit, durability, and superior quality. It is not an aftermarket part, ensuring the best performance for your engine. The assembly is designed to fit perfectly with your engine rocker arm and offers reliable performance for a long time.

Upgrade your Big Block Chevy engine with the Scorpion Roller Rocker Arm. This engine rocker arm assembly is designed to fit 7/16 inch studs and features a 1.7 ratio for improved performance. The roller tip reduces friction and wear, while the lightweight design reduces valve train stress. The Scorpion Roller Rocker Arm offers increased valve lift for improved horsepower and torque. With this product, you can expect better engine performance and longer-lasting engine components. Upgrade your engine with the Scorpion Roller Rocker Arm today!

This auto part is an engine rocker arm assembly that includes Scorpion Performance 1000-1 1.5 Ratio Roller Rocker Arm for Small Block Chevy. The package dimensions are 6.48" L X4.37" W X3.17" H, and it weighs 3.89lbs. The product is made in the United States.

T&D Rocker Shaft is an auto part made by T&D Machine Products in the United States. It is a high-quality engine rocker arm assembly that provides excellent performance and durability. The package includes one unit, with package dimensions of 4.15" (L) x 2.15" (W) x 2.1" (H). This product is perfect for those who want to improve their engine's performance and reliability. The T&D Rocker Shaft is designed to fit perfectly and provides a smooth and reliable operation. Additionally, its high-quality materials ensure long-lasting use. Lastly, the product's country of origin is the United States, ensuring that it is made with the highest quality standards.

The BIGLKNM Camshaft Rocker Kit is designed to fit a wide range of Polaris models from 1996 to 2013, including the Sportsman 400, 450, 500, Ranger, Big Boss, and more. This ensures you get a perfect match for your specific vehicle, making installation easier and more reliable. The kit includes parts that match OEM numbers, so you can trust the quality and compatibility with your engine. Made from forged steel with anti-corrosion treatment, the camshaft and rocker arms offer strong durability and long-lasting performance, reducing the need for frequent replacements. With this kit, you receive everything you need: a camshaft, rocker arms, and a gasket, providing convenience and completeness for your repair or upgrade.

The Scorpion Roller Rocker Arms are a high-quality auto part designed for small block Ford engines. With a package size of 8.89 cm in length, 12.09 cm in width, and 45.89 cm in height, these rocker arms are compact yet powerful. Weighing in at 9.0 lbs, they offer a sturdy build that ensures durability and reliability during operation. Manufactured in China, these rocker arms are part of the engine rocker arm assemblies category, making them a great choice for enhancing engine performance. You’ll appreciate the improved efficiency and power delivery they provide, making your driving experience smoother and more enjoyable.

The Michigan Motorsports LS1 Rocker Arms offer a solid upgrade for your LS engine. With tough trunnions already installed, these rocker arms help your engine run smoother and handle high RPMs and heavy loads better, giving you more reliability. The package also includes billet aluminum stands that keep everything aligned perfectly and add extra support, which means your valvetrain stays stable during performance driving. Plus, this set of 16 rocker arms fits various LS engines like 4.8L, 5.3L, 5.7L, and 6.0L, making it versatile for many builds. Whether you're upgrading for better performance or replacing worn parts, this kit makes the process easier and more effective.

This roller rocker arm is a high-performance auto part for small block Ford engines. It comes in a pack of 16 and has a 1.72 ratio pedestal mount. The product dimensions are 6.48" L x 4.37" W x 3.17" H and it weighs 8.42 lb. It is a reliable and durable product that is easy to install.