Earl's Performance AT991947ERL -6 AN Male to 5/8"-18 Male Adapter Fitting

The Earl's Performance AT991947ERL adapter fitting provides a reliable connection between -6 AN male and 5/8"-18 male threads, making it ideal for custom fuel, oil, and cooling system plumbing applications. This precision-machined aluminum fitting features Earl's proprietary hard anodizing process that penetrates deep into the aluminum substrate for superior wear and corrosion resistance.

Key Features:

• -6 AN male to 5/8"-18 male thread configuration
• Hard anodized aluminum construction for twice the lifespan of standard anodized fittings
• Deep-penetrating anodization prevents wear and corrosion
• Precision CNC-machined for accurate, leak-free connections
• Aggressive black anodized finish
• Made in the USA

Earl's hard anodized fittings are engineered for racing and high-performance applications where reliability is critical. The -6 AN connection is compatible with standard AN hose and fittings, while the 5/8"-18 thread is commonly found on fuel pressure regulators, gauge adapters, and various aftermarket performance components.