Q: need to get a ring and pinion for it but an not exactly sure what it is. Can you help?
A: It is most likely a Dana 44.. if it is a 1/2 ton PU. (J1000).. if it is a 3/4 or 1ton it is most likely a Dana 60.. Here is a chart to look at the diffs.. http://coloradok5.com/axleguide.shtml