It was in a Jeg's catalog. I don't have one right now. If I remember right it was somewhere around $125. It is'nt difficult to install- unless its your first time in a differential. But you may want to take this time to rebuild the whole unit. That way you can get your ideal gear ratio.
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69 C10 longbed: 357c.i. /TH400/3.73s/AC/ beige primer/saving $ for paint
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