Anybody else have 67 B'cuda Formula S with 7 1/4?

I'm a little confused here. I thought I had a Formula S car, but it has a small rear? Everything looks original, but rusty. I just decoded the VIN
Vehicle Identification Number: bh29e###########Vehicle Model: BarracudaVehicle
Class: High Price Class (Valiant Signet, Belvedere II, Barracuda)
Vehicle Body Style: 2 Door Sports Hardtop
Vehicle Engine: 273 CID/235 HP 4 BBL V8
Vehicle Year: 1967Vehicle Assembly Plant: Dodge Main, Hamtramck, MI, USAAssembly Sequence Number: 223527