Hpop line to oil rail fitting thread

[rat49f6]

Anyone know the thread size and pitch for the oil rail fitting that goes to the hpop line

This part : http://www.dieselorings.com/1999-20...l-pump/8-021-hpop-discharge-hose-fitting.html

The threaded end ...what is the size and thread pitch?

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[golfer]

the threaded holes in the pump are #6 ORB (o-ring boss).

9/16ths-18 thread

http://fittingsandadapters.com/saej5straigt.html

 

[rat49f6]

So the fittings in the head are oring boss too ?

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[golfer]

So the fittings in the head are oring boss too ?

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if you're referring to the ones that go to the oil rail (like where the ICP sensor is, and HPOP lines terminate?)...then yes. #5 ORB @ heads