Earl's Performance 90 Degree Aluminum AN Coupling

Earl's Performance 90 Degree Aluminum AN Couplings are professional-grade fittings engineered to deliver reliable, leak-free fluid connections in the most demanding performance and racing environments. Built on a legacy dating back to 1955, Earl's has spent decades setting the standard for high-performance plumbing — and these 90-degree couplings carry that tradition forward across every application and configuration.

Key Features:

• Bent tube design maximizes internal flow area for superior fluid delivery compared to traditional machined fittings
• Precision-manufactured to AN (Army-Navy) standards for consistent, repeatable, leak-free connections across all sizes and configurations
• Lightweight anodized aluminum construction provides excellent corrosion resistance without adding unnecessary weight to the build
• Available in multiple AN sizes and configurations to accommodate virtually any plumbing layout or fluid system requirement
• Versatile fluid compatibility makes these couplings suitable for fuel systems, oil lines, coolant routing, brake lines, and other high-performance fluid applications
• Made in the USA to Earl's exacting quality and craftsmanship standards

Earl's Performance Plumbing pioneered aviation-grade fluid transfer technology for the automotive performance market and remains the go-to supplier for top motorsport teams, engine builders, and custom fabricators worldwide. These 90-degree couplings are a trusted solution for street performance builds, dedicated race vehicles, marine applications, and custom fabrication projects where precise fluid routing and connection integrity are non-negotiable.