These tanks were held in by 2 lower straps and the top portion of the tank is larger than the bottom.
Nearly 1/4" Thick Polyethylene Plastic for Superior Strength. No Possibility of Rust. EVER! Won't Crack Even at 130 F Below Zero. No Welds or Seams to Fail, Leak or RUST! 5 Year Warranty.
Tank Size 31 7/8 x 22 1/4 x 12 3/4
NOTE: CANNOT BE CLOSER THAN 3" TO EXHAUST
https://www.youtube.com/watch?v=OqayTfYbCvU
Other parts recommended:
Sending Unit
Seal and Lock Ring
Fill Hoses
Skid Plate
Straps
This part fits the following vehicles: •1978 Ford Bronco •1979 Ford Bronco
2-3 Weeks for delivery | 
