New old stock set of three piston & stem assemblies in the original FoMoCo box, part number B5A-9904-A. This design has also been referenced under B5AZ-9A565-A in Ford parts catalogs. These genuine OEM components were used in Ford carburetors around 1955, including some Lincoln, Mercury, and Edsel models.

• Ford Part Numbers: B5A-9904-A and B5AZ-9A565-A (interchangeable)

• Contents: 3 assemblies in original FoMoCo box

• Application: 1955 Ford carburetor (fuel metering / power valve circuit)

• Design: Alternate Ford version — commonly found in Lincoln, Mercury, or Edsel carbs

• Genuine NOS – see ruler photo for measurement reference

• Box reads: “For the Ford Family of Fine Cars – Lincoln, Continental, Edsel”

This version matches other known B5A-9904-A assemblies sold under the same part number. Please compare photos to your original for best match.

Important Fitment Information:
While we strive to provide accurate information, there may be errors in online sources. To ensure compatibility with your vehicle, we recommend confirming fitment before purchasing. If the part does not fit, it can be returned within 30 days of purchase, but the buyer is responsible for return shipping costs.

Shipping Details:
We combine shipping to save you money! Check out our other items in the store. For international orders or combined shipping, please request and wait for a corrected total before paying.

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Early Ford carries a complete line of restoration parts for:
• 1928–1959 Ford Cars
• 1928–1966 Ford Pickups

Business Information:
Early Ford V-8 Sales
101 Hollow Drive
Piedmont, SC 29642
Reach Out At: ONE-EIGHT HUNDRED – FOUR ONE SEVEN – THREE THREE FOUR SEVEN.