THIS IS A BORG WARNER TRANSFER CASE FOR A 4X4 F 100, F150, F250 & F 350. 2ND HAND & RECO AVAILABLE ALSO AVAILABLE ARE NP205 TO SUIT 74-80 4X4(CAST IRON CASE) SUPER HEAVY DUTY BORG WARNER THESE ITEMS ARE EXCHANGE UNITS ONLY RING FOR PRICE AND AVAILABILITY