Used 4.10 R&P for Rockwell RR20-145 $150 OBO
I have a used 4.10 Ring and Pinion set for a Rockwell RR20-145 axle.
I believe they fit other 145 series Rockwell axles.
I didn't run these gears but They look to be in good shape.
$150 OBO + actual shipping.
Location Kitts Hill Ohio (zip code 45645)
shipping Weight Is 58 lbs
My email is ( Ford Jeep Fan @ hotmail . com ) no spaces of course