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Both of these types seem way to complicated. Seems like I'll never get all those fitted washers and clips on the Stage 8 bolts, and the split locks seem questionable to me. Will thread lock work at all? What do you guys think?
those stage eights didn't fit on my SBC headers, not on the hooker 1 7/8th headers or the custom 1 3/4 headers. maybe if you are running 1.5 inch tubes...
St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15
I have the Stage 8 on my headers. I am not so sure of the diameters but I do know the do not leak. I used to have to tighten my bolts after every long cruise or once every other ride. I have not touched them since installation.
Stage 8's with Earls header gaskets here with no problems after about 2,000 miles. The washers will require some grinding to get the right fit. Easiest way is to put them in a vise and use an angle grinder. I was able to put on the more buried retaining clips with just my fingers. I especially like the allen head bolts. An allen wrench works a lot better around headers than a hex head.
I've got the Stage 8, which work great and look trick, but they're a PITA to install. I wouldn't want to futz around trying thread wire though tiny holes either. Don't know about a small block but some of the header bolts on a BB are are a real pain to reach. I'd have to say the Breslin bolts look the easiest to work with, but I don't have any experience with them. I can only assume they hold tight. I know GSC3 was going to order a set, but don't know how they worked for him.