Best Engine Rocker Arms of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 7, 2025

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Engine rocker arms are an essential component of an internal combustion engine. They are responsible for opening and closing the engine valves, allowing the fuel and air mixture to enter and exit the combustion chamber. Without these rocker arms, the engine would not function properly, and the vehicle would not be able to run. These parts are typically made of steel or aluminum and are subject to wear and tear over time. It is important to regularly maintain and replace these rocker arms to ensure the engine is running smoothly and efficiently.

At a Glance: Our Top Picks

Dorman Engine Variable Valve Timing Oil Control Valve Cover #TOP 1
Dorman Engine Variable Valve Timing Oil Control Valve
ftb score rating icon 9.9
Michigan Motorsports LS1 Rocker Arms and Bolts with Trunion Kit Cover #TOP 2
Michigan Motorsports LS1 Rocker Arms and Bolts with Trunion Kit
ftb score rating icon 9.8
Unaykolb Engine Rocker Arm & Lifter Set Cover #TOP 3
Unaykolb Engine Rocker Arm & Lifter Set
ftb score rating icon 9.6

Top 10 Engine Rocker Arms

#TOP 1

Dorman Engine Variable Valve Timing Oil Control Valve

918-806
Dorman Engine Variable Valve Timing Oil Control Valve Cover
Dorman 918-806 Engine Rocker Arm Oil Control Solenoid Compatible with Select Chevrolet Models

The Dorman 918-806 Engine Variable Valve Timing (VVT) Oil Control Valve is an upgraded replacement for factory parts on specific Chevrolet models. The enhanced design features increased solenoid force to improve activation/deactivation, and is extensively tested through vibration, thermal, and long-term on-vehicle testing. The improved internal poppet valve assembly ensures proper fitment, and premium gasket and hardware are included for better installation.

What We Like
Enhanced design with increased solenoid force for better activation/deactivation
Extensively tested through vibration, thermal, and long-term on-vehicle testing for future reliability
Improved internal poppet valve assembly ensures proper fitment
#TOP 2

Michigan Motorsports LS1 Rocker Arms and Bolts with Trunion Kit

25100
Large
Michigan Motorsports LS1 Rocker Arms and Bolts with Trunion Kit Cover
Michigan Motorsports LS1 Rocker Arms and Bolts with Trunion Kit Installed - Fits LS2 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0

Upgrade your LS motor with the Michigan Motorsports Rocker Arms. Whether you have a stock LS motor or a highly modified one, these rocker arms are a must-have. They come with a trunion kit that replaces the OEM needle bearings and powdered metal trunion with premium steel alloy trunions and caged roller bearings. This upgrade greatly reduces the risk of bearing failure and loose needles damaging your engine. The kit includes 16 rocker arms, trunnions, bearings, retaining rings, and bolts for easy installation. Trust Michigan Motorsports to provide durable and reliable rocker arms for your LS1, LS2, LS6, and more engines.

What We Like
Durable
Easy installation
Reduces risk of bearing failure
#TOP 3

Unaykolb Engine Rocker Arm & Lifter Set

UnayKolb
UK101-092
Unaykolb Engine Rocker Arm & Lifter Set Cover
Unaykolb 48PCS Engine Rocker Arm & Lifter Set For Ford Expedition Lincoln Mercury 5.4L

Unaykolb Rocker Arm Set is designed to fit various Ford, Lincoln, and Mercury models. The OE Number references ensure compatibility. This set includes Engine Rocker Arms and Lifters made from high-quality materials, reducing abnormal noise. Additionally, a one-year warranty is provided, ensuring long-term satisfaction with your purchase.

What We Like
High-quality materials
OE Number compatibility
One-year warranty
#TOP 4

CCUYU Engine Rocker Arm Cobalt

Adjustable
silver
small
CCUYU Engine Rocker Arm Cobalt Cover
CCIYU 16pcs Engine Rocker Arm Cobalt Compatible for Buick Regal,for Cadillac ATS CTS,for Chevy Equinox HHR Captive Malibu,for GMC Canyon,for Oldsmobile,for Pontiac G5 G6 1.9/2.0/2.2/2.4/2.5/4.6L

The CCUYU Rocker Arm is a compatible engine part designed to fit various Chevrolet, Buick, Cadillac, GMC, Pontiac, Saab, and Saturn models. With its superior performance and reliability, this rocker arm is a must-have for car enthusiasts. It helps to maintain the smooth operation of your engine, ensuring optimal performance and preventing failure expansion. Additionally, this rocker arm is tested before leaving the factory to guarantee its quality. Before purchasing, make sure to check the picture and description to ensure compatibility with your vehicle, saving you unnecessary hassle. Upgrade your engine with the CCUYU Rocker Arm and experience enhanced driving performance.

What We Like
Compatibility with multiple car models
Superior performance and reliability
Prevents failure expansion
#TOP 5

PartsFlow Engine Rocker Arm & Lifter Set

PartsFlow
AZA-ZIB
PartsFlow Engine Rocker Arm & Lifter Set Cover
Partsflow Engine Rocker Arm & Lifter Set For Ford Expedition For Ford Explorer For Ford F-150 For Ford F-250 For Ford F-350 For Ford Mustang For Lincoln Mark LT For Mercury Mountaineer OE#HT-2305 4.6L

The PartsFlow Rocker Arm Set is designed specifically for various Ford and Lincoln models, ensuring a perfect fit for your vehicle. With 24 rocker arms and 24 valve lifters, this set helps restore the smooth operation of your engine by effectively transferring motion from the camshaft to the valves. These aftermarket parts are manufactured to meet original equipment specifications, providing you with a reliable replacement that functions just like the factory parts. Plus, with a one-year warranty, you can have peace of mind knowing that customer support is available for any issues that may arise.

What We Like
Perfect fit for multiple models
Restores engine smoothness
Manufactured to OE specifications
One-year warranty included
#TOP 6

AULINK Rocker Arm and Lifter Kit

AULINK
AURAW305
AULINK Rocker Arm and Lifter Kit Cover
AULINK 12 PCS 5184296AH Rocker Arm and Lifter Kit For 2011-2020 Chrysler 200 300,Dodge Ram 1500 Promaster Challenger Charger Journey Avenger,Jeep Grand Cherokee Wrangler 3.6L 5184332AA

The AULINK Rocker Arm Kit is designed for various Chrysler, Dodge, and Jeep models, ensuring a precise fit and compatibility. It features OEM part numbers for easy identification and installation. Made from durable materials, this kit undergoes strict quality control, ensuring reliability and longevity. With its precision engineering, it enhances engine performance by improving power output and fuel efficiency. This means you can enjoy a smoother ride and potentially lower fuel costs. Plus, with a 1-year warranty, you have peace of mind knowing that support is available if needed.

What We Like
High compatibility with multiple models
Durable, wear-resistant materials
Improved engine performance
1-year warranty for peace of mind
#TOP 7

A-Premium Rocker Arm Shaft Lifter Assembly

0APRASA001
A-Premium Rocker Arm Shaft Lifter Assembly Cover
A-Premium Rocker Arm Shaft Lifter Assembly Compatible with Chrysler 300 05-10, Pacifica 04-08 & Dodge Charger 06-10, Challenger 09-10, Journey 09-10, Magnum 05-08, 3.5L 4.0 Replace# 4892293AC 2-PC Set

The A-Premium Rocker Arm Assembly is designed to fit a variety of Chrysler and Dodge vehicles, ensuring compatibility with models like the Chrysler 300 and Dodge Charger. This assembly includes both inlet and exhaust valve rocker arms, which are essential for optimal engine performance. With reference numbers provided, you can easily find the right replacement for your vehicle. Plus, the one-year unlimited-mileage guarantee gives you peace of mind, assuring you that this product is crafted with precision and care for long-lasting reliability.

What We Like
Compatible with multiple models
Includes inlet and exhaust arms
Easy reference number identification
One-year unlimited-mileage guarantee
#TOP 8

VEELECP Rocker Arms + Valve Lifters + Valve Gaskets 12 Pcs Set

VEELECP
YC-RAL001
VEELECP Rocker Arms + Valve Lifters + Valve Gaskets 12 Pcs Set Cover
VEELECP 12 Pcs Rocker Arms and Lifters with Gaskets Kit Compatible with 3.6L Engine Challenger Avenger Grand Caravan Promaster 1500 2500 3500

Upgrade your vehicle's engine with the VEELECP Engine Parts Set. This set includes 12 rocker arms, 12 valve lifters, and valve gaskets, providing a precise match for various vehicles with a 3.6L engine. Crafted from high-strength metal materials, these parts ensure long-lasting durability. The direct replacement installation makes upgrading easy, while the 12-month warranty offers peace of mind. Make sure to check the part number and fitments before purchasing for a hassle-free installation.

What We Like
Precise Compatibility
Durable Materials
Easy Installation
#TOP 9

GELUOXI Rocker Arm Set for Ford

3L3Z-6564-A 3L3Z-6564-BA
24xRocker Arm
24x Rocker Arm Set
GELUOXI Rocker Arm Set for Ford Cover
3L3Z-6564-A 24x Rocker Arm Set Replacement for 2005-2014 Ford Mustang GT Explorer Expedition F150 F250 F350 F450 F550, Lincoln Navigator, Mercury Mountaineer 4.6L 5.4L 3V Engine GELUOXI

The GELUOXI Rocker Arm Set is designed for a wide range of Ford vehicles, including various models of the Mustang, F-Series trucks, and the Expedition. This set includes OEM part numbers that ensure compatibility, providing you with peace of mind when replacing your rocker arms. It fits models from 2005 to 2014, making it a versatile choice for many owners. Additionally, the manufacturer offers a 10-month guarantee, promising to resolve any issues that arise, which adds extra confidence for your purchase. Always check the compatibility before buying to ensure a perfect fit for your vehicle.

What We Like
Wide compatibility with multiple models
OEM part numbers for assurance
10-month problem resolution guarantee
Versatile for various Ford vehicles
#TOP 10

Koomaha Rocker Arm Lifter Kit

Koomaha
16x Lifters + 16x Rocker Arms
Koomaha Rocker Arm Lifter Kit Cover
Koomaha Rocker Arm lifter Lash Adjuster Kit 53020742AC 5073596AA Replacement for 2002-2009 Chrysler Dodge Ram Dakota Nitro Jeep Grand Cherokee 4.7L

The Koomaha Rocker Arm Kit is designed for various Chrysler, Dodge, and Jeep models with 4.7L engines. This comprehensive set includes 16 lash adjusters, ensuring you have all the necessary components for a smooth installation. It is compatible with several models from 2002 to 2012, offering flexibility for different vehicle needs. By using this kit, you can help maintain proper engine performance and prolong the life of your vehicle's engine components, making it a convenient choice for car owners looking to enhance their engine's efficiency.

What We Like
Compatible with multiple models
Includes 16 lash adjusters
Enhances engine performance
Easy installation
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What happens when a rocker arm goes bad?

When a rocker arm goes bad, it can impact the operation of the engine's valves and overall performance. This can lead to drivability issues, and it is not recommended to continue driving with a faulty rocker arm. It is best to have it repaired by a professional as soon as possible.

2. What causes rocker arm failure?

Rocker arm failure can be caused by factors such as improper heating treatment and faulty manufacturing. These issues can make the rocker arm brittle, leading to cracks and stress. When a rocker arm fails, the engine may stall or stop working until the damaged rocker arm is replaced.

3. Can I drive with a broken rocker arm?

Driving with a broken or loose rocker arm is not recommended. It can cause significant damage to the engine and may result in expensive repairs. If you hear any loud tapping noise or suspect a rocker arm issue, it is best to stop the engine and have it towed to a repair shop for diagnosis and repair.

4. What does replacing rocker arms do?

Replacing rocker arms can have performance benefits. By changing to a larger rocker arm ratio, similar to increasing the lift of the camshaft, you can increase the opening distance of the valves. This typically leads to increased power as the engine can move more air.

5. How long do rocker arms last?

The lifespan of rocker arms can vary depending on factors such as usage and maintenance. With regular oil changes, rocker arms on a daily driven engine with a stock valvetrain can last approximately 20,000-30,000 miles. However, in high-mileage engines, especially those running for 250,000-plus miles, aluminum rockers may need more frequent replacement.

6. Will a bad rocker arm throw a code?

A bad rocker arm can potentially cause issues with the oil pressure sensor and rocker arm oil control solenoids, leading to error codes. Wiring issues can also trigger the appearance of codes, such as the P2646 code.

7. Can a bad rocker arm damage the engine?

Yes, a bad rocker arm can damage the engine. The rocker arm is an important component of the internal combustion engine. Any fault or damage to the rocker arm can reduce engine power and even cause complete engine failure. It is crucial to address rocker arm issues promptly to prevent further damage.

8. How much does it cost to replace a rocker arm?

The cost of replacing a rocker arm can vary depending on several factors. On average, the cost ranges from $2,200 to $5,600, depending on whether you go to a mechanic or opt for a DIY replacement. It is recommended to consult with a professional to get an accurate estimate for your specific situation.

Editor's Notes

During our engine rocker arm research, we found 24 engine rocker arm products and shortlisted 10 quality products. We collected and analyzed 5,731 customer reviews through our big data system to write the engine rocker arms list. We found that most customers choose engine rocker arms with an average price of $104.88.

The engine rocker arms are available for purchase. We have researched hundreds of brands and picked the top brands of engine rocker arms, including Dorman, Michigan Motorsports, UnayKolb, cciyu, PartsFlow. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.