A: I was checking out EBay stuff for the Model 20 I want to put in my Comanche. I'm too broke to bid on them, but others may want them. NEW Air Locker Differential AMC Jeep Model 20 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7926294622&category=33731 AMC model 20 posi AMX JAVELIN GREMLIN REBEL http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=2492936542&category=34208 Trac Loc for Jeep Model 20 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=2492960362&category=34208