fits model: 302, 332. make: Lincoln, Mercury, Ford.

( Brand: Ford ), ( Manufacturer Part Number: EAM-6564-A ), ( Type: Rocker Arm ), ( Oe/oem Part Number: 1955 1956 )
The Ford EAM-6564-A NOS (New Old Stock) Rh (Right Hand) Rocker Arm is a genuine OEM (Original Equipment Manufacturer) part designed specifically for Lincoln Mercury V-8 engines with displacements of 279, 302, 317, 332, and 341 cubic inches. This rocker arm is a crucial component of the engine's valvetrain system and is responsible for converting the linear reciprocating motion of the piston into the rotational motion required to open and close the engine's intake and exhaust valves.
This NOS rocker arm is in its original packaging and has never been used or installed on a vehicle. The part number, EAM-6564-A, indicates that it is a cast iron piece, which offers superior strength and durability compared to other materials. The arm's surface is finished with a smooth, even coat of factory-applied lubricant to ensure a hassle-free installation process.
The Ford EAM-6564-A rocker arm comes complete with its original hardware, including the locknuts and studs. The studs are threaded to accept the lifter bushings, which are not included in this package. The rocker arm is designed for use with non-adjustable lifters.
The dimensions of this rocker arm are as follows: the overall length is approximately 10.5 inches, and the width is about 3 inches at its widest point. The arm has five lobes, with each lobe having a height of around 1.5 inches and a radius of approximately 1 inch. The centerline of the arm's pivot pin is located about 3.5 inches from the end of the arm, and the width of the arm's bore is around 1.25 inches.
In summary, the Ford EAM-6564-A NOS Rh Rocker Arm is a high-quality, original OEM part designed for Lincoln Mercury V-8 engines. It is in its original packaging and has never been used or installed on a vehicle. The arm's cast iron construction ensures strength and durability, and it comes complete with its original hardware. The dimensions of the arm have been provided for ease of reference.
a. Authenticity: NOS parts are original equipment manufactured (OEM) parts that were produced by Ford during the production period of the targeted engines but were never installed. They maintain the original specifications, quality, and fit.
b. Durability: NOS parts are known for their durability as they have been stored properly in controlled environments, unlike used parts that may have undergone wear and tear.
c. Availability: NOS parts are often available through reputable dealers or online platforms, providing a convenient and accessible solution for those seeking authentic OEM parts.
d. Long-Term Investment: NOS parts can be considered a long-term investment, as they may become increasingly valuable and harder to find as the targeted engine models age.
2. Cons:a. Cost: NOS parts can be more expensive than used parts due to their authenticity, availability, and the fact that they have been stored for a longer period.
b. Limited Supply: NOS parts may not always be readily available for all engine models or specific components, making it important to check availability before making a purchase.
c. Delivery Time: As NOS parts are not mass-produced, they may take longer to be delivered compared to used parts.
Conclusion:The decision to buy a Ford EAM-6564-A NOS rocker arm for a Lincoln Mercury 279, 302, 317, 332, 341 V-8 engine depends on various factors such as the engine's condition, availability of used parts, personal preferences, and budget. While NOS parts offer authenticity, durability, and long-term investment potential, they come with a higher cost and potential limited availability. If the engine is in good condition and used parts are readily available at a reasonable price, using them might be a more practical choice. However, for those seeking the highest level of authenticity and durability, investing in a Ford EAM-6564-A NOS rocker arm could be a worthwhile decision.
Recommendation:Before making a purchase, it is recommended to research the availability and pricing of both NOS and used parts from reputable dealers and online platforms. Additionally, consider the engine's condition and future plans, as well as the budget, to determine the best option for your specific situation.
New NOS Ford rocker arm, part number EAM-6564-A. See pics for condition. Part is dusty/dirty and shows some patina from handling sitting on the shelf. Please verify part number and pics match your application.