Adjustable High Pressure Fuel Pressure Regulator for 1985-1991 Chevy Corvette C4 - Performance Upgrade for Racing & Street Driving

* BBK billet fuel pressure regulators are a great way to tuneyour 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 lasting anodized blue finish * Will allow fuel pressure adjustment to approximately 65ps * These BBK fuel pressure regulators are direct replacements for your stock pre set 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 houseing only. * Great for mild to wild applications. Owners of 1985-1992 305/350 TPI equipped vehicles can get maximum performance along with precise air/fuel ratios with these trick and easy to install billet aluminum adjustable fuel regulator kit. Designed as a direct replacement for your non adjustable factory unit, this part is built from aircreaft quality CNC machined billet aluminum and inlcude high quality hardware. NOTE: Regulator is cover only, uses your original base. Size: N/ACorvette Central #: 304570Car years: 1985, 1986, 1987, 1988, 1989, 1990, 1991