Fuelab 51502-6 Series EFI Fuel Pressure Regulator - 515 6AN

The Fuelab 51502-6 is a high-performance 515 Series adjustable fuel pressure regulator engineered for electronic fuel injection (EFI) systems. Designed with precision and versatility, this regulator accommodates both port-style and non-port-style union fittings without interference, making it adaptable to a wide range of fuel system configurations. Capable of handling pressures up to 125 PSID, it delivers reliable fuel pressure control for demanding performance applications.

Key Features:

• Dual -6AN inlet ports and one -6AN bottom-mounted return port for flexible plumbing options
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• Precision-machined billet aluminum construction with military-spec Type II anodizing (MIL-A-8625)
• Fine-pitch adjustment threads enable precise fuel pressure tuning
• Includes versatile mounting bracket with stainless steel hardware
• 1/8 NPT gauge port with plug for external pressure gauge installation
• 1/8 NPT pressure reference port with barbed fitting for manifold vacuum connection
• Backed by Fuelab's 2-year limited warranty

This regulator provides the precise fuel pressure control needed for modern EFI systems while offering the durability and fuel compatibility required for high-performance and racing applications. The bottom-mounted return port configuration is ideal for clean installations with minimal plumbing complexity.