These tanks were held in by 2 lower straps and the top portion of the tank is larger than the bottom.
Fits 1978-79 Bronco with 25.5 Gallon capacity tank with emissions hole. Vent pipe faces toward front of truck.
Tank Size 31 7/8 x 22 1/4 x 12 3/4
All gas tanks are engineered to the highest quality standards for peak performance and precise first time fit!
https://www.youtube.com/watch?v=OqayTfYbCvU
Product Specifications
Attached Sump: No
Baffled Sump: No
Capacity: 25.5 Gal.
Color: Gray
Filler Neck Attached: No
Fuel Tank Coating: Paint
Height: 12.75 In.
Length: 31.875 In.
Lock Ring/O Ring Included: Yes
Material: Steel
Mounting Straps Included: No
Package Contents: Fuel Tank , Lock Ring, O Ring
Package Quantity: 1
Packaging Type: Box
Sending Unit Included: No
This part fits the following vehicles:
•1978 Ford Bronco •1979 Ford Bronco | 
