I have been searching but cannot locate the 2 correct size bolts that attaches the exhast pipe to the manifold on a 223 I-6. Appreciate the help. Steve

 

I believe they are studs, and either 3/8 or 7/16, can't really find them in the Parts CD.

 

Thanks Ross.

 

I just came in from the shop and while out there, as luck would have it, I chased threads on my 215 exhaust manifold. It's a 7/16" x 14 tpi stud into the manifold. On the outer side the stud is fine thread, assume 24 tpi. Probably same on a 223. Stu

 

Stu, appreciate the info.

 

88393-S .. Stud 7/16" -14 & 7/16" -20 x 1 1/2" long ~ Listed below the exhaust manifold in the text section. Illustrated in exhaust and intake section.

Left: Text / Right lower pic: 215/223.

 

Thank you very much!