4FR218-090SQ / 4FR218-090SQ - Application Notes 2003-2004 Mustang Mach 1 4.6L V-2 SQ SC-Trim High-Output System Stock HP/TQ: 305/320 Vortech HP/TQ: 484/420 Boost (PSIG): 9.5-10.5 Includes High-flow fuel pump, High-capacity fuel injectors, High-flow MAF and ECM chip or module Carb E.O. D-213-24 Polished system shown in image