FORD 5J21 Cylinder Heads Rockers 289 C6OE-M

( Manufacturer Part Number: 5J21 ), ( Type: Cylinder Head ), ( Oe/oem Part Number: C6oe-m ), ( Items Included: Rocker Arms, Valve Springs, Intake Valves, Exhasut Valves, Valve Spring Retainers, Valve Spring Keepers ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States )

Review FORD 289 Cylinder Heads complete Pair Rockers dated 5j2 And fits 1965-66

Ford 5J21 1965-66 289 C6 OE-M Cylinder Heads - Complete with Rockers - Dated 5J2

Experience the authenticity and performance of the Ford 5J21 1965-66 289 C6 OE-M Cylinder Heads. Manufactured by Ford Motor Company, these genuine parts are designed to deliver the power and reliability synonymous with Ford's classic V8 engines.

The 5J21 cylinder heads are a direct fit for 1965-1966 Ford Mustang 289 cubic inch engines, ensuring a seamless installation process. These heads feature a unique intake port design that enhances airflow and improves engine efficiency, contributing to increased horsepower and torque.

Included with the cylinder heads is a complete set of rockers, ensuring a comprehensive restoration or upgrade solution. Each rocker is designed to work in harmony with the cylinder heads, providing smooth valve operation and optimal engine performance.

To guarantee authenticity, these cylinder heads are stamped with the date 5J2, indicating their production year. This date stamp adds a touch of historical authenticity to these classic parts while providing peace of mind knowing that you're installing original Ford components.

Invest in these Ford 5J21 1965-66 289 C6 OE-M Cylinder Heads and enjoy the timeless power and performance that these classic Ford parts offer. Whether you're restoring a vintage Mustang or upgrading a modern Ford, these genuine Ford parts will not disappoint.

The Ford 5J21 1965-66 289 C6OE-M Cylinder Heads, complete with rockers, is a popular choice among Ford Mustang enthusiasts. Here are some pros and cons to consider when purchasing this component:

1. Authenticity: These cylinder heads are original Ford parts, which many enthusiasts value for their historical accuracy and proven performance.

2. Compatibility: They are designed for the 289 cubic inch engines, making them a perfect fit for the 1965-1966 Ford Mustang models.

3. Availability of Information: There is a wealth of information available online about these cylinder heads, including installation guides, performance tips, and troubleshooting advice.

4. Potential Performance Improvements: These heads are known for their performance capabilities, particularly when combined with high-performance camshafts and intake manifolds.

1. Age: The cylinder heads are over 50 years old, which means they may have some wear and tear, particularly if they have not been well-maintained.

2. Potential for Upgrade: If you are looking for the highest possible performance, these original heads may not be the best choice, as aftermarket heads may offer better flow and power.

3. Cost: Original Ford parts can be more expensive than aftermarket alternatives, particularly if they are in good condition.

4. Availability: Due to their age, finding these cylinder heads in good condition can be challenging, especially if you are not in a large market.

In conclusion, the Ford 5J21 1965-66 289 C6OE-M Cylinder Heads with rockers are a great choice for those who value historical accuracy and want to maintain the original character of their Ford Mustang. However, if you are looking for the highest possible performance, you may want to consider aftermarket alternatives. If you do choose to purchase these cylinder heads, make sure to inspect them thoroughly and consider having them rebuilt to ensure they are in good working order.

Details:

For sale is set of 1965-66 Ford 289 C6OE-M cylinder heads, the heads are a complete matching pair that being sold as good rebuild able cores, these will also need cleaning and to be rebuilt before use, OEM rocker arms included in this sale, there no major damage or issues with I know of, have square shaped push rod holes used non-rail type/non self aligning which included, original parts which would make great part build restoration, do few sets rods available for seen my other listings, Specs: Casting #- Date Codes 5J2/5J21 Valve Sizes Stock 1.7 int./1.4 exh. Brought you by Blue Oval Farms Performance. Colossi ans 3:17 New American Standard Bible NASB. Whatever you do in word or deed, everything the name of Lord Jesus, giving thanks through Him to God Father.

part #: 5j21 prices

• $199.99-$300.00

specifications cylinderheapar:

• for makes: Ford
• for years: 1965-66
• mpn: 5j21
• type: Cylinder Head
• oe/oem part number: C6oe-m
• items included: Rocker Arms, Valve Springs, Intake Valves, Exhasut Valves, Valve Spring Retainers, Valve Spring Keepers
• vintage part: Yes
• country/region of manufacture: United States

shipping cylinderheapar:

• transit: 4-10 Days
• carrier: UPS
• class: Standard
• type: Fixed
• cost: $195.00
• service: UPS Ground

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

offer cylinderheapar:

• best offers: True
• quantity: 1
• started: June 23, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

returns cylinderheapar:

• policy: No Returns

seller cylinderheapar:

• # reviews: 130
• rating: 100.0%
• city: Augusta, West Virginia

payments cylinderheapar:

• wallet: Paypal
• other
• credit card: Discover

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