6AN Flare Cap Nut 2 Piece Blue

The REDHORSE PERFORMANCE 6AN Flare Cap Nut 2 Piece Blue (MPN 929-06-1) is a precision aluminum fitting designed for high-pressure fluid systems requiring secure, leak-free connections. This two-piece cap nut assembly delivers the reliability demanded in racing, performance automotive, and motorsports applications where fuel and hydraulic line integrity is non-negotiable. The blue anodized aluminum construction provides both visual identification and corrosion resistance in demanding operating environments.

Engineered to 6 AN specification, this fitting accommodates standard -6 hose and tubing in high-flow applications. The flare cap design creates a positive seal when properly torqued to the mating flare surface, a critical feature in systems where vibration, thermal cycling, and pressure fluctuations are constant stressors. The two-piece construction allows controlled assembly and disassembly for maintenance and system modifications without unnecessary damage to connected components. Blue anodizing not only enhances corrosion protection but also serves as a quick visual reference during system diagnostics and assembly procedures—a practical advantage when managing complex multi-circuit hydraulic or fuel systems in race vehicles and performance builds.

This fitting is essential for builders and technicians working on fuel injection systems, turbo oil lines, transmission coolers, and brake hydraulic circuits where AN-sized fittings are standard. The pair comes ready to install, making it ideal for two-line applications or as replacements in existing systems. Whether upgrading a street performance vehicle or maintaining a race-proven setup, the 6AN flare cap nut delivers the precision fit and durability expected from REDHORSE PERFORMANCE engineering. Verify compatibility with your specific hose size and system pressure rating before installation.