Tube Nut 8an (1pk)

The Tube Nut 8AN (1pk) by EARLS is a precision hose fitting designed for high-performance fuel, oil, and coolant line applications in modern automotive builds. This single-pack nut assembly is essential for any serious automotive plumbing system, whether you're upgrading to braided stainless steel lines or working on custom fuel delivery setups.

Engineered to meet AN-style tubing standards, the 8AN fitting is suitable for mid-range flow requirements common in naturally aspirated and turbocharged applications. The 8AN designation corresponds to a nominal inner diameter of 1/2 inch, balancing flow capacity with compact routing in tight engine compartments. EARLS tube nuts are manufactured to precise tolerances, featuring honed threads that engage smoothly with AN fittings, preventing cross-threading or seizing.

Mechanics and fabricators working on street rods, race cars, engine swaps, and custom cooling systems rely on EARLS 8AN tube nuts as part of complete line assemblies. The reusable design allows for multiple assembly and disassembly cycles, making it ideal for iterative tuning and troubleshooting. This product is compatible with a variety of automotive applications, ensuring reliability and performance.