QUOTE (Blainefab @ Oct 13 2011, 12:26 AM)

QUOTE (1meanZ @ Oct 12 2011, 05:48 PM)

Think the 3/8 ones will fit over a C4 rear knuckle? I'd like to space the C5 Z06(with hoosier race rubber) rears out just a tad, these would do just the trick. I'm assuming you've used these with no issues in competition, so they should be fine for my track days and time trials.
I'll have to check tomorrow, I have a C4 rear hub at the shop. I'm pretty sure it will be the same as the C5 and the LS1 4th gens, tho. If so, the 3/8 would be too large and the 1/2 and 3/4 would fit. I'll let you know.
All have been used in competition, with ARP studs, with no issues related to the spacers. The Weld wheels that we are using on the car now do not need any spacers, and it looks like Weld is solidly behind us, long term. These spacers have just been taking up space in the spares bin.
I remembered to check - the C4 rear hubs are the same as the 4th gen fronts and C5, so the 3/8" spacer would be too large. The only place they will go is a LT1 rear.
I have new 3/8" spacers in stock, properly sized for the C4 rear.
Also, FWIW, I have a pair of 86 C4 rear knuckle/hub assemblies. This is the early suspension, I don't know if the knuckles are different than 88 up, but I do have an 88 C4 in the shop so if you need spares I could take some measurements and see if these would fit.