Fuelab 52502-4 In-Line Fuel Pressure Regulator 525 Series -6AN Adjustable

The Fuelab 525 Series In-Line Fuel Pressure Regulator is engineered for performance and installation flexibility in high-demand fuel systems. This adjustable regulator features a unique inline port configuration with the return port aligned with the inlet port rather than bottom-mounted, making it ideal for tight engine bay installations where space is limited.

Key Features:

• Adjustable pressure range: 15-65 PSI (carbureted applications as low as 1 PSID, fuel injected up to 125 PSID depending on configuration)
• -6AN inlet and -6AN return ports positioned in-line for compact installation
• Fine thread pitch adjustment mechanism for precise pressure tuning
• 1/8 NPT gauge port with plug for external pressure gauge monitoring
• 1/8 NPT pressure reference port with barbed fitting included
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• Precision-machined billet aluminum construction with military-spec anodizing (MIL-A-8625, Type II)
• Versatile mounting bracket with stainless steel hardware included
• Accepts both port-style and non-port-style union fittings without interference
• CARB compliant for legal use in all 50 states

Designed for carbureted and EFI applications, this regulator provides reliable fuel pressure control with the durability and precision that Fuelab is known for. Backed by a 2-year limited warranty.