The bolt pattern is 6 on 5 1/2, just like all GM 6 lugs, but any '88 and up truck wheel has 5 1/2" backspacing instead of the 3 1/2" that was used until '87, including the '67 - '72 era. This will move the tires 2 inches farther into the wheel wells. Would not look good, imo.
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Tim
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Tim
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