I get conflicting info on this because people seem to know one vehicle type or the other. But someone somewhere told me the Mopar speedo gears were the same for many years. Anyway, can someone tell me if this 38 tooth Jeep speedo gear on Ebay will work in my 4 speed 68 Charger?

http://m.ebay.com/itm/281119932256?nav=SEARCH&sbk=1

1968 Charger 383/2bbl/4spd (1 of 74) 1994 Dakota Sport 3.9L/AT/2WD 2003 Durango SLT 4.7L/AT/4X4 Yes, all Dodges and nothing else