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Exhaust stud choice?

JTGS850GL

JTGS850GL

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Past Site Supporter
I'm looking at dropping my exhaust and replacing the gaskets. I've had popping on deceleration ever since I've owned it and it still persists even after a full carb rebuild and valve adjustment. I have 145-150psi compression on all cylinders so I don't think it's a burnt exhaust valve. I'm going to replace the existing cap screws on my V&H exhaust with studs. I found these on ebay and was wondering if these would work? They're M8x1.25x45.
Ebay exhaust studs
quqo.jpg
 
Not sure about length for use with the V&H, but 8mm x 1.25 is correct. Those are really expensive. NAPA sells a set of 8 for about $6 or $7, with nuts. They have a little hex head on one end, not the Allen head. There is also a set for a Subaru engine that fits perfectly, can't remember which model. A lot of European cars and Jap cars use a similar stud. If you have an indy BMW or Volvo shop nearby they may hook you up. Any metric fastener supply place should have them a lot cheaper too.
 
As Tom said, they will likely work well as they are 304 ss. The length is probably right on, I have used 50mm before and even with double nutting,they are plenty long. The allen screw end is the cats meow, but that is pretty pricey, you might try McMaster-Carr online though they won't have the allen screw feature. Ray
 
McMaster Carr has a great selection you can also try Fastenal. I buy a lot of hardware from them and they have an extensive selection. If you go the Fastenal route its better to go in to a local store and talk to them. They have always been very helpful and no shipping costs. They have even held bolts for me for over a month until I could go and get them.
 
I offered the ebay deal a "Make Offer" price of $3.00 each for a stud and nut combo. I'll see what he says. I priced McMaster-Carr and Fastenal and found both of them to be higher in price for SS studs and nuts. I really didn't want plain mild steel and NAPA didn't list any in SS. If I can get a SS price from NAPA with nut that come in at less then $3.00 each I would go with them. I did find another seller that has 40mm long SS studs with brass nuts for turbos at around $30 for 8 as well.
SS Studs with brass nuts
dxra.jpg
 
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