BBK 1706 Fuel Pressure Regulator - Fully Adjustable - CNC Machined Billet Aluminum - Direct Fit for Ford Mustang 5.0 And 302/351 EFI Applications BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built CNC Billet Aluminum Construction with anodized Finish Fully Adjustable - From 35-70 Psi Allows Fine Tuning of Fuel System for Improved Performance Recommended for all Modified Applications Helps Improve Horsepower