Ford Racing Performace Parts - 1996-1998 Mustang - 30 LB/HR Fuel injector set 30 lb/hr, 4-hole, high-impedance fuel injector with Jetronic/Minitimer electrical connector All injector flow rates are quoted at a delta pressure of 39.15 psi. To convert to a delta pressure of 43.5 psi, multiply flow rate by 1.054.