Earl's Performance 90 Degree Aluminum AN to NPT Adapter Fittings

Earl's Performance 90 Degree Aluminum AN to NPT Adapter Fittings deliver a professional-grade solution for bridging AN (Army-Navy) and NPT (National Pipe Thread) plumbing standards across fuel systems, oil lines, coolant circuits, and custom fluid plumbing builds. Engineered to the same exacting standards trusted by top motorsport programs worldwide, these adapters offer the precision, reliability, and long-term durability that high-performance applications demand.

Key Features:

• CNC-machined precision construction — machined to tight tolerances for consistent, leak-free performance in demanding environments
• Bent tube flow design — provides superior fluid flow capacity compared to conventional drilled-through fittings, minimizing restriction and improving system efficiency
• 90-degree configuration — simplifies hose routing in tight engine bays and space-constrained installations where straight fittings are not practical
• Anodized aluminum construction — offers excellent corrosion resistance, reduced weight, and a clean, professional finish
• Multiple size combinations available — offered across a broad range of AN and NPT size pairings to suit a wide variety of plumbing configurations
• Sold individually — select the exact size combination required for your specific application

About Earl's Performance: Founded in 1955 by Earl Fouts in Lawndale, California, Earl's Performance pioneered the supply of high-quality plumbing components for the racing industry. Earl's invented many of the special-purpose racing adapters still in use across the industry today and introduced flexible armored PTFE-lined hose to motorsport in the 1960s. Now part of the Holley family of brands, Earl's continues to collaborate with top-level motorsport programs to refine fittings that meet real-world competitive demands — offering one of the most complete lines of adapter fittings available anywhere.

Whether you're plumbing a dedicated race car, a high-performance street build, or a custom fluid system, Earl's 90 Degree AN to NPT Adapter Fittings deliver the consistent quality and precision that professionals rely on.