Allows you to adjust fuel pressure from 40-75 psi and has a 1:1 boost referencing ratio if needed, Has two AN 6 O-ring inlet ports and one outlet port, 1/8 NPT port to mount a gauge if desired. Aeromotive 13109 Rising Rate Fuel Pressure Regulator, 40-75 PSI. A stock fuel regulator may be fine for some, but they are not designed for performance or adjustability. The Aeromotive A1000 rising rate fuel pressure regulator allows you to adjust fuel pressure from 40-75 PSI and has a 1:1 boost referencing ratio if needed. EFI fuel pressure regulator has two -6 AN female O-ring inlet ports, and one outlet. There is also a 1/8 NPT port to mount a pressure gauge if desired. Base pressure adjustable from 40-75 PSI. Gasoline and alcohol compatible. Fuel pressure rises on a 1:1 ratio with boost. 1/8 NPT gauge port. Provides (2) ORB-06 inlet ports and (1) ORB-06 return port. Bypass fuel pressure regulator. Related Items / Suggested Parts. Fuelab 52501-1 EFI Fuel Pressure Regulator, 25-90 PSI. Aeromotive 13129 EFI Bypass Fuel Pressure Regulator, 30-70 PSI. MSD 2225 In-Line Hi-Pressure Fuel Pump. Straight High-Flow O-Ring -6 AN Hose to -6 AN Port Fitting. Aeromotive 11101 A1000 Fuel Pump. Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 73 years.