If you must have stock, GM production wheel, find you a 71 chevy "4 nub wheel"[/QUOTE]
I just picked up a pair of 71', 5", 6-lug nubbies that are disk brake ready.
The center lug part should stretch out at 90 degrees angles from the rim's center for caliper clearance,
where the non-disk brake wheels stretch at about a 45 degree angle from the rim if that makes sense.
