#8 to #8 Fem Fuel Press Adapter w/ 1/8 NPT Port

The #8 to #8 Fem Fuel Press Adapter with 1/8 NPT Port is an essential component for builders and mechanics running custom fuel system configurations on carbureted or fuel-injected applications. This adapter bridges two #8 AN fittings while integrating a secondary 1/8 NPT port, making it ideal for fuel pressure gauge installations, regulator vent lines, or auxiliary fuel system monitoring. Whether you're fine-tuning a street machine, competition engine, or restoration project, this adapter solves the plumbing challenge of maintaining proper fuel delivery while adding diagnostic capability without requiring additional port drilling or complex manifold modifications.

Built by XRP-XTREME RACING PRODUCTS—a trusted name in motorsports fluid management—this adapter features precision-engineered AN-style fittings that ensure leak-free, vibration-resistant connections under high-pressure fuel system loads. The dual #8 female ports accept standard -8 AN hose barbs, braided lines, or quick-disconnects, while the integrated 1/8 NPT port accommodates gauges, solenoids, or vent fittings. The compact 2.75 x 1.2 x 3.6-inch footprint and lightweight 0.1-pound construction minimize packaging constraints in tight engine bays, and the aluminum or ductile iron body resists corrosion and thermal cycling common to high-performance fuel systems operating across varying ambient conditions.

This adapter excels in applications ranging from naturally aspirated carburetors to turbocharged fuel-injection systems, turbo LS conversions, and fuel cell installations where flexible plumbing and gauge integration are non-negotiable. Installers appreciate the ability to consolidate multiple AN fittings into a single, clean junction point, reducing clutter and improving serviceability on engine swaps and custom builds. Compatibility spans most fuel pressure ranges found in street and strip applications; verify your fuel delivery system working pressure and confirm NPT port thread compatibility with your gauge or accessory before ordering to ensure seamless integration into your fuel system architecture.