Fuelab 52503-1-S-T Series Adjustable Fuel Pressure Regulator TBI In-Line - 525

The Fuelab 525 Series Adjustable Fuel Pressure Regulator is engineered for high-performance fuel systems requiring precise pressure control in compact installations. This TBI (Throttle Body Injection) in-line regulator features a unique design with the return port positioned in-line with the inlet port rather than on the bottom, making it ideal for tight engine bay installations where space is at a premium.

Key Features:

• -6AN inlet and -6AN return port configured in-line for space-saving installation
• Adjustable pressure range suitable for TBI applications
• Fine thread pitch adjustment mechanism for precise pressure tuning
• CNC-machined billet aluminum construction with Type II MIL-A-8625 anodizing
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• 1/8 NPT gauge port with plug for external pressure monitoring
• 1/8 NPT pressure reference port with barbed fitting included
• Accepts both port-style and non-port-style union fittings without interference
• Includes versatile mounting bracket with stainless steel hardware
• Backed by 2-year limited manufacturer warranty

The 525 Series regulator delivers the performance and flexibility demanded by professional engine builders and performance enthusiasts, with precision engineering that ensures consistent fuel pressure delivery across a wide range of applications.