Earl's Performance 45 Degree Aluminum AN Swivel Coupling Fittings

Earl's Performance 45 Degree Aluminum AN Swivel Coupling Fittings bring proven aviation-grade fluid transfer technology to high-performance automotive plumbing. Trusted by professional racing teams and custom builders worldwide, these AN swivel couplings deliver reliable, leak-free connections across fuel, oil, coolant, brake, and power steering systems—making them an essential solution for virtually any performance plumbing application.

Key Features:

• Aviation-grade aluminum construction with anodized finish provides exceptional corrosion resistance and long-lasting durability in demanding performance environments
• Ano-Tuff hard-coat anodizing on select variants penetrates deep into the aluminum for superior corrosion protection inside and out, with thread treatment that guards against galling
• 45-degree bent tube design delivers optimized fluid flow capacity and precise directional routing, eliminating hose twist and stress during installation
• Swivel coupling design allows full 360-degree rotational adjustment after installation, simplifying hose routing across a wide range of plumbing configurations
• Dual-plane anti-seepage seals with stainless retention pins and precision machining ensure leak-free performance that meets or exceeds aerospace specifications
• Brazed tube construction on select variants adds structural integrity and sealing reliability under high-performance operating conditions
• Versatile application range including fuel systems, oil systems, cooling systems, brake lines, and power steering setups for street performance, racing, and custom fabrication
• Made in the USA by Earl's Performance, the brand that pioneered the racing aftermarket AN plumbing industry

Earl's Performance Plumbing was founded with a mission to bring military aircraft-specification plumbing components to the racing industry. For over five decades, Earl's has continued to innovate—developing the self-indexing Swivel-Seal hose end, introducing PTFE-lined stainless hoses to motorsports, and earning the trust of top funny car, sprint car, and IndyCar teams. These 45-degree AN swivel couplings are available across a range of AN sizes to suit any high-performance build, from LS swaps and oil cooler lines to custom race car fuel systems and brake line upgrades.