Fuelab 51501-6 EFI Fuel Pressure Regulator Series - 515 6AN

The Fuelab 515 Series Adjustable Fuel Pressure Regulator is engineered for high-performance EFI applications requiring precise fuel delivery control. Designed to accommodate both port-style and non-port-style union fittings without interference, this regulator offers exceptional versatility for custom fuel system configurations. The 51501-6 configuration supports fuel injected applications with pressure ranges up to 125 PSID, making it ideal for demanding performance builds.

Key Features:

• Dual -6AN inlet ports with one -6AN bottom-mounted return port for flexible plumbing options
• Compatible with gasoline, diesel, methanol, and ethanol fuels for multi-fuel applications
• Precision-machined billet aluminum construction with MIL-A-8625 Type II anodizing for corrosion resistance
• Fine thread pitch adjustment mechanism for accurate pressure tuning
• 1/8 NPT gauge port with plug for external pressure monitoring
• 1/8 NPT pressure reference port with barbed fitting for manifold vacuum connection
• Includes versatile mounting bracket with stainless steel hardware
• Backed by Fuelab's 2-year limited warranty

The 515 Series regulator combines robust construction with user-friendly adjustability, making it an excellent choice for street performance, racing, and high-output fuel systems where consistent fuel pressure is critical for optimal engine performance.