Fuelab EFI Fuel Pressure Regulator Series

The Fuelab EFI Fuel Pressure Regulator Series is a line of adjustable, billet aluminum fuel pressure regulators (FPR) for performance and racing fuel systems. Fuelab designed the 515 Series for performance and flexibility. The regulators accept both port-style and non-port-style union fittings without interference. They give you precise control over fuel pressure in fuel-injected (EFI) setups.

Key Features:

• Adjustable return-style design with two inlet ports and one return port
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• Billet aluminum construction, anodized per military MIL-A-8625, Type II
• Fine thread pitch for precise pressure adjustment
• Versatile mounting bracket with stainless steel hardware
• 1/8" NPT gauge port with plug for an external pressure gauge
• 1/8" NPT pressure reference port with barbed fitting for boost or vacuum reference

The series is offered in several configurations, so you can match the regulator to your fuel system's pressure and plumbing needs. Its durable anodized billet body and simple mounting make it a good fit for street, strip, and track builds.