And the numbers are all nice and everything, but different tire manufacturers tires will spec out to different widths even if they are considered the same size. A Sumitomo 315/35/17 is actually quite a bit narrower than a Goodyear 315/35/17, it's also a heck of a lot cheaper! And a 255/50/16 will measure out almost as wide as a 275/40/17 again depending on the brand.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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