What size bolt from header to H-pipe?

[SuperStang83]

What size bolt goes from the header to the H-pipe and were is the easiest place to pick one up? Thank you!

 

[wythors]

They're actually studs, not bolts. They are 7/16" on the factory headers and/or FRPP shorties. Not sure of the thread pitch.

 

[SuperStang83]

Cool, actually I looked a little closer and I can see the studs, but two of them are missing the nuts. Do you have any clue what size the nuts are, and where to get them?

 

[Mustang78]

probably a 7/16" coarse thread nut, any hardware store should have them..also get stainless they wont rust to the studs

 

[SuperStang83]

Cool, thanks for the info bro!