I am running a set of CCW 16x10's that require a one inch spacer on the front. CCW included some short, steel lug nuts that are right at 20mm in depth (a little over 0.75in) I have the ARP 2.85in extended lug studs, and when installed, the new nuts fit pretty much flush with the end of the stud. The only problem is that the last 0.3 inches of the stud are not threaded, so I'm only engaging a little less than 0.5in of the threads in the lug nuts. That scares me a little bit, running on 11in wide Avon slicks. If the ARP's were threaded all the way to the tip, then I'd feel fine, because the whole lug nut would be engaged on threads. I've completed one event without any problems, but don't want to push my luck, so I'd like to install studs that are around a half-inch longer. Has anyone run another stud besides the ARP? I found these two on ebay:

3.25in 'VMS Rascing' : http://www.ebay.com/itm/16-PC-HONDA-...dc0697&vxp=mtr

3.25 'Blackworks Racing' : http://www.ebay.com/itm/BLACKWORKS-B...4099%26ps%3D54

ARP also has a stud made for GM, that is 3.15in long,and looks like it would fit, but if I installed them, I'd have different thread sizes font/rear.

Does anyone have any experience running any of the above studs, or any others that longer than the ARPs?

 

Call arp?

 

With a 1 inch spacer would it be better to use a spacer that has its own studs?

 

I would never personally trust a spacer with its own studs for a track/race car. Always extended studs for me.

 

Thats kind of what I was thinking but man running on the end of 3.5" studs seems like a lot!

If you cant find anything I can see about getting some custom studs from arp

 

I have two other sets of wheels that don't need the spacers, but do need extended studs. :/

 

My rear studs when the hubs were changed by DSS to a different model came as non-bullet tip application. I like my bullet tips for ease of threading nuts, but there are ones that are threaded to the end that have the same pitch. Driveshaft shop might be able to tell you what they include to vouch for a particular brand. I'll google a little to see if I can figure out what brand it is.

 

Summit racing has some options:
http://www.summitracing.com/search/p...=wheel%20studs

Is 54mm long enough?
http://www.summitracing.com/parts/rnb-610-323/overview/

(I don't see anything that looks like the ones we have)

 

The ARP studs on the car are 75mm.

 

The ones I got from DSS are at least as long as my ARP ones and don't have a bullet tip. I just don't know what brand they are. But they are a 12mm x 1.5 pitch.