BBK 1707 Adj Fuel Pressure Regulator Fits 94-95 Ford Mustang 5.0L GT / Cobra. Allows Fuel Pressure Adjustment up to Approximately 65psi. Sturdy Billet Aluminum Construction. Direct Replacement for Stock Regulator. Easy Adjustment by the Simple Twist of a Screw. 1/8 NPT Fuel Pressure Gauge Port. Adjust Your Air Fuel Ratio. Each fuel pressure regulator is made from high quality CNC machined billet aluminum with a long lasting anodized blue finish. Each BBK fuel pressure regulator is hand assembled with a precision leak free diaphragm that will allow fuel pressure adjustment to approximately 65psi. This BBK fuel pressure regulator is a direct replacement for your stock non-adjustable regulator and offer the best performance and value.