Size of oil gallery ports on top of heads

Big Bore · Jul 16, 2011

I know this is old news and been posted a gazzilion times, but what is the thread size for the oil line fittings into the heads? -6, -8?

Magnum PD · Jul 16, 2011

The hpo lines are also o-ring fittings. If your asking about them.

Big Bore · Jul 16, 2011

Magnum PD said:
The hpo lines are also o-ring fittings. If your asking about them.

Yes, the hpo fittings, but looking for size.

Powerstroke Racer · Jul 16, 2011

Big Bore said:
I know this is old news and been posted a gazzilion times, but what is the thread size for the oil line fittings into the heads? -6, -8?

-5.

Big Bore · Jul 16, 2011

Powerstroke Racer said:
-5.

Thanks David.

Size of oil gallery ports on top of heads

Big Bore

New member

Magnum PD

Active member

Big Bore

New member

Powerstroke Racer

Well-known member

Big Bore

New member

Random media

Latest posts

Members online