The 20-0504-V Dry Break, 1.5in, Female, Remote Mount, Vented typically secures to the vehicle body. The vented fuel cap has roll-over protection if the vehicle ever becomes inverted. The fill neck has a machined hose barb connection for 1.5″ filler hose (available HERE). The components, materials, and seals are compatible with all fuel types (unleaded and leaded gasoline, diesel, AV gas, methanol, ethanol, E15, E85, etc.). The outer diameter is 4.75″ and uses 4.25″ P.C.D for the five M5 bolts. Total height is 4.1″. Requires a 77mm (3.03″) hole to be fabricated.

Included:
-20-0549-V Dry Break, 1.5in, Female, Vented
-Flanged Fill Neck for 1.5″ ID Hose
-Ozone/Flame Resistant Gasket
-Anodized Aluminum Nut Ring
-Stainless Steel M5 Bolts

Notes: 
1. Does not include accessories to connect to the fuel tank.
2. It is compatible with the simple fuel cap (Radium 20-0548-V Fuel Cap, Remote Mount, Vented).