Part #: 4FU06A 85-91 ADJUSTABLE FUEL PRESSURE REGULATOR Shipping Weight: 3.50 pounds Priced Per: ST

(ND) 85-91 CORVETTE ADJUSTABLE FUEL PRESSURE REGULATOR. * BBK billet fuel pressure regulators are a great way to tune your vehicle to obtain optimum air/fuel ratios and achieve maximum horsepower * Each fuel pressure regulator is made from high quality CNC machined billet aluminum with a long lastinganodized blue finish * Will allow fuel pressure adjustment to approximately 65psi * These BBK fuel pressure regulators are direct replacements for your stock preset regulator and offer the best performance and value * Tuning is accomplished with the simple twist of a screw * Include OEM direct fit manifold runner gaskets and housing only. Requires us of original diaphragm.