actual bolt size

[tstang21]

need some help. i need to find out whats the actual bolt size for stock exhaust manifold. is it 3/4 long. whats the width? i dont know. its for shortys

 

[mo_dingo]

need some help. i need to find out whats the actual bolt size for stock exhaust manifold. is it 3/4 long. whats the width? i dont know. its for shortys

iirc they are 5/16-18.......Good luck!

You can always remove one of the bolts and take a thread gauge to them, if you still have them.

 

[tstang21]

thanks. i got the measurements of the bolts