Tanks Inc. has their tank, pump and sending unit for $465 from CJ Pony parts, and if you use a coupon code of "IMBACK" you get another 5% off. It has a 4.3L sump, which is bigger than the Spectra. I just received mine for $442.
US NAVY VET - 65 Custom Fastback GT-A-code. FiTech EFI w/Tanks Inc. w/Aero 340 LPH pump, TCP Power R&P; Full front coil over conversion w/1" Shelby drop; TMI Sport R custom interior; T5 TKO, Speed Hut custom speedo; Autometer Phantom gauges; SSBC Force 10 -13" disc brakes w/10.5" rear disc brakes; 24" Griffin Radiator w/twin 11" 2800 CFM fans; Classic Auto Air AC; Truck-Lite 7" LED headlights; Mustang Project Shelby LED sequential taillights. 2001 Bullitt rims w/Nitto NT555 235x45x17 tires.