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For a 81 dodge ramcharger motor size is a 318 4 barrel 4speed and the gears are 321 gears and still factory pozzy lock if any body nose of one let me now ok thanks taz :thumbsup

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Don't know if you found one yet.....I'd look for a pair (assuming our RC is a 4x4)from any '81-'93 1/2T Dodge truck. At least then you wouldn't be stuck looking for only the 3.21 gearset, which wasn't exactly common. Most of those years had 3.55's.

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