^^^^^^^^^^^^the sidewall size/# is a ratio number that depends on the width of the tire ie:the 235 and 225 in this situation.
so a 45 on a 235 tire will be taller than a 45 on a 225 tire... not alot but there is a difference.
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AJ
1970 1/2 rs z28...pro-touring?...i wish...soon?
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