Fuel Cap Measurements:
From the Bottom of the Base Plate Flange to the top of the cap is approx: 2- 5/8 Inches
From the Bottom of the Base Plate Flange to the top of the Clasp: 3 Inches
From the Bottom of the Base Plate Flange to the top of the Lip (while Opened): 1- 1/2 Inches
Inside Diameter: 3- 3/8 Inches
Inside Height: 1- 1/8 Inches
The Base Plate on this cap is 5 Inches in Diameter.