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Jeff Lee · 12-06-2011, 12:36 AM

The 'unilug" was an oval shaped wheel stud opening that would allow for either a 4.5" (AMC, Ford, Mopar) or 4.75" (GM) bolt circle using only (5) openings in the wheel (versus the Cragar Super Tricks and later Weld Wheels that had a total of (10) openings per wheel top accomodate both bolt circles). They sold a lug nut washer which had the same shape and when it was all bolted on the car, you saw 5 lug nuts and no open areas.
I'm guessing this is what your looking for?
And I would also guess an Olds is 1/2" x 20 wheel stud.

12-06-2011, 12:36 AM	#2
Jeff Lee VIP Member Join Date: Jul 2007 Location: Anthem, Arizona Posts: 2,766 Likes: 0 Liked 3 Times in 3 Posts	Re: Cragar SST Unilug Wheels ? The 'unilug" was an oval shaped wheel stud opening that would allow for either a 4.5" (AMC, Ford, Mopar) or 4.75" (GM) bolt circle using only (5) openings in the wheel (versus the Cragar Super Tricks and later Weld Wheels that had a total of (10) openings per wheel top accomodate both bolt circles). They sold a lug nut washer which had the same shape and when it was all bolted on the car, you saw 5 lug nuts and no open areas. I'm guessing this is what your looking for? And I would also guess an Olds is 1/2" x 20 wheel stud. __________________ Jeff Lee 7494 D/S '70 AMX