MELLING MR-859 Rocker Arm RA-5801

( Brand: Melling ), ( Manufacturer Part Number: MR-859 ), ( Type: Rocker Arm ), ( Mfr Code: Mb )

Review MELLING Rocker Arm Mr859 Ford Fe fits 352 360 390 1958–1976

Introducing the Melling MR-859 Rocker Arm Kit (MR859RA-5801), specifically designed for Ford FE engines from 1958 to 1976 with displacements of 352, 360, and 390 cubic inches. This high-performance rocker arm kit is an excellent upgrade for those seeking improved engine performance and durability.

The MR-859 Rocker Arm Kit features precision-machined, forged steel rocker arms. These arms are meticulously crafted to ensure maximum strength and rigidity, with a polished finish that adds a touch of elegance to your engine bay. The arms are designed to work seamlessly with your existing pushrods and valvetrain components, making installation a breeze.

Each rocker arm is equipped with a high-performance, roller tip design. This innovative design reduces friction between the tip and the valve stem, resulting in smoother valve operation and increased engine efficiency. The roller tips are also self-lubricating, ensuring consistent lubrication and minimizing the need for frequent adjustments.

The MR-859 Rocker Arm Kit also includes new, high-quality, O-ring sealed rocker arm shafts. These shafts provide improved sealing and help prevent oil leaks, keeping your engine cleaner and reducing the need for frequent maintenance. Each shaft is precision-machined for a perfect fit and features a hardened, chrome-molybdenum steel material that offers superior strength and durability.

This rocker arm kit is an excellent choice for high-performance applications, including racing and hot rodding. The increased strength and durability of the forged steel rocker arms and roller tip design help ensure consistent power delivery and improved engine response. Additionally, the O-ring sealed shafts help prevent leaks and keep your engine running at its best, even during the most demanding driving conditions.

In summary, the Melling MR-859 Rocker Arm Kit (MR859RA-5801) is a top-quality, high-performance upgrade for your Ford FE engine. With its precise fit, improved sealing, and increased strength and durability, this rocker arm kit is the perfect choice for those seeking to maximize the performance and reliability of their engine. Whether for daily driving or competition use, the MR-859 Rocker Arm Kit is an investment that will provide lasting benefits and peace of mind.

The Melling MR-859 rocker arm assembly (part numbers: MR859 andRA-5801) is a popular upgrade option for Ford FE engines (352, 360, and 390) manufactured between 1958 and 1976. This component is known for its durability, high performance, and ability to improve engine power and efficiency. However, like any automotive part, it comes with its advantages and disadvantages.

1. Enhanced Durability: Melling's rocker arm assembly is made from high-quality materials, such as forged steel and hardened rocker arm tips, making it more durable than OEM (original equipment manufacturer) parts.

2. Improved Performance: The Melling rocker arm assembly is designed to provide better valve control, which can lead to improved engine performance and power output.

3. Reduced Engine Noise: The Melling rocker arm assembly is known for its quiet operation, making it an attractive option for those who want to reduce engine noise.

4. Increased Longevity: The high-quality materials used in the Melling rocker arm assembly contribute to its increased longevity, which can save you money in the long run.

1. Cost: The Melling MR-859 rocker arm assembly is more expensive than OEM parts, which may be a deterrent for some.

2. Installation Complexity: Installing the Melling rocker arm assembly can be a more complex process than installing OEM parts due to its unique design and additional hardware requirements.

In conclusion, the Melling MR-859 rocker arm assembly offers several advantages, such as enhanced durability, improved performance, reduced engine noise, and increased longevity. However, it also comes with some disadvantages, including a higher cost and more complex installation process.

If you're looking for a high-performance and durable rocker arm assembly for your Ford FE engine and are willing to invest in the upgrade, the Melling MR-859 rocker arm assembly is an excellent choice. However, if you're on a tight budget or prefer a more straightforward installation process, you may want to consider sticking with OEM parts. Ultimately, the decision comes down to your specific needs, priorities, and budget.

Details:

A good parts bath would be. 6 of them I have the original box, other 5 or loose. Features details. These are new, never installed.

I have 11 of them up for sale. Rocker Arms for 1958-1976 Ford FE 352 360 390 428. Manufacturer Melling.

MELLING ENGINE PRODUCTS MR-859 ARM ENG VALVE ROCKER. Details are in the photos. Brand Melling.

part #: mr859 prices

• $34.99-$298.99

specifications rockeareng:

• for models: 352, 360, 390
• for makes: Ford
• for years: 1958-1976
• brand: Melling
• mpn: Mr-859
• type: Rocker Arm
• mfr code: Mb

offer rockeareng:

• best offers: True
• started: August 1, 2025
• options: Ship-to-home
• quantity: 4
• availability: In Stock
• sold: 0

payments rockeareng:

• other
• credit card: Diners-club
• wallet: Paypal

general rockeareng:

• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
• condition: New other see details

seller rockeareng:

• # reviews: 2290
• rating: 100.0%
• city: Burleson, Texas

returns rockeareng:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

shipping rockeareng:

• type: Calculated
• service: USPS Ground Advantage
• cost: $10.50
• carrier: USPS
• class: Standard
• transit: 5-12 Days

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