Holley Systemax Thread Size AND A-N Fitting questions.


Squint as you approach, lest you be blinded by my
15 Year Member
FIRST...on the Systemax, what is the tread fitting size?? It should be the same as the other intakes but I dont have the size right now...I know all the Autometer sending units thread right into them, but I need to order an after market fitting. (Reffering to the threads where the Water Temp sending unit goes.

ALSO...If I want to replace a 3/4" inside Diameter water hose with a Steel braided hose, do you know what the A-N size equivalent will be?? Im guessing 12?

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