| stud 5/16"unf x 5/16"w x 1.1/4
https://www.efihardware.com/products/177/stud-516unf-x-516w-x-1.14
Standard manifold studs to suit most manifolds to fit up our range of throttle bodies 1.25" long 5/16 witworth (manifold side) 5/16 UNF throttle body side
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