Fuelab 52503-6-S-T Adjustable Fuel Pressure Regulator TBI In-Line -6AN

The Fuelab 525 Series Adjustable Fuel Pressure Regulator is engineered for throttle body injection (TBI) applications requiring precise fuel pressure control in tight engine compartments. This in-line configuration features a unique design with the return port positioned in-line with the inlet port rather than on the bottom, enabling easy installation where space is limited.

Key Features:

• In-line design with -6AN inlet and -6AN return port for compact installations
• Fine thread pitch adjustment mechanism for precise pressure tuning
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• Billet aluminum construction with MIL-A-8625 Type II anodizing for corrosion resistance
• 1/8 NPT gauge port with plug for external pressure gauge 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 and stainless steel hardware

The 525 Series regulator supports TBI applications with adjustable pressure ranges, making it ideal for retrofitted throttle body systems and performance fuel delivery setups. Backed by Fuelab's 2-year limited warranty.