Fuelab 52503-5-L-E Fuel Pressure Regulator EFI In-Line Large Seat -6AN

The Fuelab 525 Series Adjustable Fuel Pressure Regulator is engineered for high-performance EFI applications requiring precise fuel pressure control. This in-line, large seat design features a unique configuration with the return port positioned in-line with the inlet port rather than on the bottom, enabling installation in extremely tight engine bay locations where traditional regulators won't fit.

Key Features:

• EFI fuel pressure regulation up to 125 PSID for demanding fuel injection systems
• In-line port configuration with -6AN inlet and -6AN return port for space-saving installation
• Accepts both port style and non-port style union fittings without interference
• Fine thread pitch adjustment mechanism for precise fuel pressure tuning
• CNC-machined billet aluminum construction with Type II military-spec anodizing (MIL-A-8625)
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• 1/8 NPT gauge port with plug for external fuel pressure gauge monitoring
• 1/8 NPT pressure reference port with barbed fitting for vacuum/boost referencing
• Includes versatile mounting bracket with stainless steel hardware
• Backed by Fuelab's 2-year limited warranty

The 525 Series regulator delivers the performance and flexibility required for modern EFI systems while maintaining compatibility with a wide range of fuel types and installation requirements.