My 8 3/4 is out of what?
only thing with small bolt was abodys
Housing widths, flange to flange
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'66-'72= 52 5/8"
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Rear end widths, drum-to-drum:
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'66-'72= 57 1/8"
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Spring perch widths (center-to-center)
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'66-73= 43"