AN Male Reducer #4 x #6

The AN Male Reducer #4 x #6 from Triple X Race Components is a precision hydraulic and fuel system adapter designed for high-performance applications where step-down fitting transitions are required. This straight-configuration reducer connects a larger #6 AN male port to a smaller #4 AN male component, making it essential for custom fuel injection systems, hydraulic brake lines, and race engine fuel delivery networks. Whether you're building a competition engine or upgrading a performance fuel system, this adapter provides a reliable, leak-free connection point where line sizes must change.

Manufactured from aluminum and finished in black anodize, the AN Male Reducer #4 x #6 delivers durability without unnecessary weight—a critical consideration in racing and motorsports environments. The black anodized coating provides corrosion resistance and a professional appearance while maintaining the lightweight properties that aluminum delivers. AN (Army-Navy) fittings are the industry standard for high-flow fuel and hydraulic systems because they offer superior vibration resistance and seal reliability compared to alternative adapter types. The straight design eliminates flow restriction and simplifies installation in tight engine bays where space and plumbing efficiency are paramount.

Race teams, performance fuel system builders, and custom engine shops depend on this reducer when downsizing from #6 AN feed lines to #4 AN branch lines or component connections. It's commonly used in fuel distribution blocks, carburetor inlet adapters, and modular fuel system layouts where regulated fuel flow must transition between different line diameters. Verify your hose and fitting thread sizes before ordering to ensure proper AN male compatibility. Each unit ships ready to install and pairs seamlessly with standard AN hose ends, clamps, and fittings available throughout the performance automotive marketplace.