Rxmotor Fuel Pressure Regulator with Gauge 140PSI Adjustable 100% Brand New and Never Used. Universal Fitment for any Car Provide precise consistent noost as much as twice of the factory fuel flow Manage your fuel system requirements, increase fuel delivery by rasing pressure Fuel Pressure Regulator can deliever high performance, with long life and high reliable operation Adjustable from (1-15) psi to (140) maximum fuel pump capacity. Increase fuel delivery by raising pressure around 5-10 horsepower