Fuelab 52503-6-L-T Series Adjustable Fuel Pressure Regulator TBI In-Line - 525

The Fuelab 525 Series Adjustable Fuel Pressure Regulator is engineered for performance and flexibility in throttle body injection (TBI) applications. This in-line design features a large seat configuration and accepts both port style and non-port style union fittings without interference. The unique inline return port design allows for easy installation in extremely tight engine compartments where space is at a premium.

Key Features:

• -6AN inlet and -6AN return port positioned in-line for compact installation
• Large seat design optimized for TBI fuel systems
• Fine thread pitch adjustment for precise pressure tuning
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• Billet aluminum construction with military-spec Type II anodizing (MIL-A-8625)
• 1/8 NPT gauge port with plug for external pressure monitoring
• 1/8 NPT pressure reference port with barbed fitting included
• Versatile mounting bracket with stainless steel hardware
• Backed by 2-year limited warranty

The 525 Series regulators support a wide range of applications from carbureted systems as low as 1 PSID to fuel injected systems up to 125 PSID, making this a versatile solution for various performance fuel delivery requirements.