Fill Cap Kit Steel 1-1/4in -1/2UNF

The MOROSO Fill Cap Kit Steel 1-1/4in -1/2UNF is a precision-engineered filler neck assembly designed for use in fuel system installations. This kit is ideal for builders and mechanics working on custom fuel cells, performance tanks, or restorations of classic vehicles. It provides a reliable, leak-free sealing solution that meets OEM-level standards.

Manufactured from durable steel, this fill cap kit offers corrosion resistance and longevity compared to plastic or aluminum alternatives. The 1-1/4-inch nominal diameter accommodates larger fuel filler necks typical in performance fuel tanks, while the -1/2UNF thread specification ensures a precise fit that resists loosening under pressure.

This kit is particularly beneficial for engine builders and restoration specialists who require a dependable filler cap for aftermarket fuel tanks. Its compact design and lightweight nature make installation straightforward, ensuring that it does not add unnecessary mass to weight-conscious builds.