MAC Prochamber Question (Not Sound or Performance Related)

highvolts · Dec 14, 2004

Anyone know the thread/nut size of the studs and nuts included in their kits?

Thanks in advance..

Jason

madmatt · Dec 14, 2004

Man, I wanna say like 15 or 18 mm...damn I cant remember and its too cold to go look.

TweekedGT · Dec 14, 2004

Mine were 15mm coarse thread. I just attached my Magnapacks to my Prochamber a few weeks ago.

highvolts · Dec 14, 2004

TweekedGT said:
Mine were 15mm coarse thread. I just attached my Magnapacks to my Prochamber a few weeks ago.

Sweet! Thanks! I think the studs that come with the prochamber are towards the cheaper line of screws. i wanna replace them with a higher grade fastener and put nuts on the back side of the stud that screws into the flange..

-J

TweekedGT · Dec 14, 2004

I think they come with grade 5. If you want better go with grade 8. They will more than do the trick.

highvolts · Dec 14, 2004

TweekedGT said:
I think they come with grade 5. If you want better go with grade 8. They will more than do the trick.

You really think its at least grade 5? I felt one get loose really easy and i KNOW i didnt cross thread it.. Maybe the nuts are grade 5 and the studs are 3.. i dunno i'm gonna replace the 4 studs n stuff that hook upto the catback

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