................1.05 O.D. X .90 I.D.......QUOTE]
Are you sure about those dimensions?
.075" per side is more off a ring not a washer I think.
Old Cragar SS lug washers for 7/16" are 1" OD .600" ID X .125" thick.
Cragar # 09005-4 is the nut kit they come with if it helps.