Core plug size

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  • PUB662A
    Low Range
    • Dec 2025
    • 2

    Core plug size

    I’m rebuilding a 2.25 L petrol motor off a 1966 series 2A. I cannot find the correct size core plug for the smaller ones located below the exhaust manifold. In my parts manuals, it says they are screw in plug, but that’s not what I pulled off of it. The inner diameter shows 24.8 mm the only ones I can find through roversnorth or Atlantic British are 24mm. Any ideas or suggestions?
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