This all new tank is great! Fits 1963-72 trucks and makes the popular conversion of mounting the tank under the bed a snap! Designed with ease of installation in mind. Removal of the original spare tire crossmember may be necessary. The special mounitng brackets make installing and removing the tank effortless. Top fill only. Requires fuel neck and sending unit project eighteen8 installation stainless fuel fill for top fill gas tanks 0-30 ohm universal sending unit 0-90 ohm universal sending unit billet fuel access door - rectangle billet fuel access door - oval