Filler Cap Flush Mount Poly

The Filler Cap Flush Mount Poly from ATL FUEL CELLS is designed for serious fuel system builds where aesthetics and reliable sealing are essential. This flush mount cap is ideal for custom fuel cells in track cars, race vehicles, or high-performance street machines, providing a clean look without a protruding filler neck.

Constructed from high-density poly, this filler cap is designed to resist damage from various fuel types, ensuring durability over time. Its flush mount design allows for easy integration into your fuel cell mounting point, requiring minimal clearance modification and enabling a streamlined installation.

This cap is particularly beneficial for builders upgrading from stock fuel tanks to ATL fuel cells or compatible aftermarket units that require a flush-mount solution. Its lightweight design at just 0.94 lbs ensures it won't add unnecessary weight to your fuel system assembly.