Description: Universal fit for all cars. Injected Bypass Fuel Pressure Regulator with AN6 Inlet And AN6 Return. Adjustable from 0psi to 160psi Maximum Fuel Pump Capacity. Adjustable Fuel Pressure Regulator with 1:1 Ratio. Oil-Filled Design Fuel Pressure Gauge for Maximum and Consistent Measurement. Specification: Designed to Maintain the Optimal Fuel Rail Pressure for High Performance/Turbocharged Engine. Delivers Vehicles' Highest Performance, with Long Life and Highly Reliable Operation. 1/8" NPT Gauge Port Made of CNC Machined Light Weight Aluminum Material Stable, high sensitivity. A great upgrade for your vehicle. Professional Installation is Highly Recommended (No Instruction Included). Package Includes: 1 Set Fuel Pressure Regulator