Re: Exhaust and Intake Manifold Studs

Posted by HH56 On 2019/11/18 13:07:52

You didn't mention a year or engine but if the vendors cannot help, if for a 48-54 288/327 block and I believe most of the other 40 and later inline engines as well, McMaster-Carr has some hardened dual thread studs that I think will work for the 2" length although they do not look exactly like the originals. Specs say the manifold studs are 3/8-16 which I believe goes into the block and 3/8-24 for the nut side. Didn't see anything for the 4 9/16 length so those might be a vendor only or have them made type thing.https://www.mcmaster.com/94358a330