This kit utilizes the factory 993 intake manifold and fuel system used on the 1989-94 Carrera. The kit includes: Haltech Elite 750 engine management system, Un-terminated wire harness, 2X coil packs, cam sync sensor & adapter, MAP, MAT, wide band EGO and injector connectors. (uses factory flywheel crank trigger, TPS, head temp sensor and idle control valve)