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What are the thread sizes of the AEM Fuel Rail and Fuel Pressure Regulator ports?

April 26, 2017aem FUEL ports pressure rail regulator thread

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What are the thread sizes of the AEM Fuel Rail and Fuel Pressure Regulator ports?

1 Answer

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10 Posted

The port thread sizes are 9/16×18, or standard –6 AN fittings. We also include a 1/8th NPT port in the front of our universal regulator (part number 25-302) and on the top of our fuel rails for a fuel pressure gauge or gauge pickup.