have a narrowtrac dana 30 and narrowtrac amc 20 in excellent condition. they are set up for soa. the 30 needs calipers and the 20 has 1 piece axles. $300.00 or trade for axle shafts for va wide trac 30. wife bought these as a suprise and did not know the difference! she meant good! call 352-267-0251, Greg. btw in central fl.