89-99 3100 harness and ecm bundle

This harness and ECM bundle is specifically designed for use with 3.1 flat top engines from 1989 to 1994, 3100 engines from 1995, and 3100 engines from 1996 to 1999. It includes a wiring harness, injector harness, and tuned ECM package. Note that the injector harness is not necessary for 1996-1999 models.