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How do I identify my Ford 289 head?

To identify your Ford 289 head, you'll need to look for specific visual cues and markings on the engine. The 289 cubic inch V8 engine was a popular option in many Ford vehicles during the 1960s, and understanding the unique features of this engine can help you determine if you have a 289 head.


Identifying the 289 Head


The Ford 289 engine was produced from 1963 to 1968, and it was available in a variety of Ford models, including the Mustang, Falcon, and Fairlane. To identify the 289 head, look for the following features:



  • Casting Number: The casting number for the 289 head is typically "C8AE-6090-A" or "C8AE-6090-B".

  • Valve Cover: The valve cover on a 289 head will have the "289" designation stamped on it.

  • Spark Plug Holes: The 289 head has spark plug holes that are angled slightly outward, unlike the straight-in plugs of the earlier 260 and 289 engines.

  • Rocker Arms: The rocker arms on a 289 head are larger and more robust than those found on the 260 and 289 engines.


If you're still unsure, you can also check the engine block casting number, which will typically be "C8AE-6015-A" or "C8AE-6015-B" for a 289 engine.


Verifying the Head


Once you've identified the visual cues, you can further verify the head by checking the engine's displacement and other identifying features. The 289 engine was available in several different configurations, so it's important to ensure you have the correct head for your specific engine.


If you're still unsure or have any other questions about identifying your Ford 289 head, it's always best to consult with a qualified mechanic or Ford enthusiast who can provide more detailed guidance.

Where is the serial number on a cylinder head?


The stamping is usually located on the end of the casting above the accessory bolt area just below the valve cover rail. We have stamped some heads on the exhaust side of the head as well. The numbering system only identifies the casting model and the year the head was made.



How can I identify my engine?


The engine type code is stamped into the side of the engine, usually close to the serial number. Engine type codes may be up to 4 characters.



What is the difference between a 289 and a 289 HiPo?


The Hi-Po has the same 1M cast-iron crankshaft as the 289-2V/4V engine. However, Hi-Po cranks were handpicked and Brinnel-tested for strength. The 289 High Performance was fitted with the same basic C3AE connecting-rod forgings as the 2V/4V engines.



How do you tell what year a 289 engine is?


These would apply to any 289 Ford and many other Ford engines. The Engine Assembly Date is stamped on the pad in front of the LH cylinder head. This date would always be later than the casting date of the engine block. The date on this 289 HiPo appears to be 5B09.



What is a Ford 289 K code?


289 HiPo (K-code)
The engine is informally known as the HiPo or the "K-code" (after the engine letter used in the VIN code of cars so equipped). It was the only 289 engine available in the intermediate Fairlanes, with lesser-powered cars receiving the 260 V8. Starting in June 1964, it became an option for the Mustang.



How do I know what cylinder head I have?


Cylinder heads may be identified by their casting number, located between the #4 and #5 pushrods.



What is the K code for 289 Ford?


289 HiPo (K-code)
The engine is informally known as the HiPo or the "K-code" (after the engine letter used in the VIN code of cars so equipped). It was the only 289 engine available in the intermediate Fairlanes, with lesser-powered cars receiving the 260 V8. Starting in June 1964, it became an option for the Mustang.



How do you identify olds cylinder heads?


The Oldsmobile factory-production small-block cylinder heads are identified by a number cast into the front lower portion of the head next to the number-1 and number-8 cylinders. The oldest castings have a lower number and the latest production castings have a higher number.



How can I tell what Ford engine I have?


You can find your vehicle's engine size on your Window Sticker. It will be listed under "Vehicle Description" at the top of the window sticker. Ford replacement Window Stickers, also known as Monroney labels, for 2007 to current model years may be purchased from the Ford Show Parts website or by calling 1-800-367-3788.



How do I know if my 289 is a HiPo engine?


One of the most obvious is screw-in rocker studs. The press-in studs found on regular 289 heads would not survive the high rpms that the Hi-Po was engineered for. Guide plates were not required; the heads used the same "close tolerance" pushrod holes as the early 289 heads.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.