Weapon*R has developed a Compact Sized Adjustable Fuel Pressure Regulator, for High Performance Vehicles, it is constructed of 6061 T-6 billet aluminum and is capable of supplying enough fuel for engines in excess of 1000 horsepower. Weapon*R Adjustable Fuel Pressure Regualtors have threaded ports, which allows you to tailor the regulatoroutput to ANY fuel pump, whether it be the stock unit or a high-flow aftermarket pump.