First introduced in 2005, the Generation IV Vortec 5300 engines share all the improvements and refinements found in other Generation IV engines. At present, four versions of the 5300 are in production: 2 iron block versions (LY5 and LMG) and 2 aluminum block versions (LH6 and LC9). All versions feature the Active Fuel Management system.

This kit includes a re programmed  factory ECU with all vehicle anti theft removed, & Harness for use with mechanical cable drive or drive by wire throttle bodies, depending on application.  Includes  fuse block, electric fan controls, relays for electric fans & fuel pump.  Harness is 5 wire hook up to chassis (12v+,ignition, tach, fuel pump , electric fan +)  this system requires the use of 2 o2sensors and MAF sensor not included in all  kits. Some drive by wire applications may require a tach module, call for more info.  There is no ECU core required.  Please call or Contact us for VVT applications. Depending on engine trans combo some of these packages can run GM automatic transmissions as well.  Please call or Contact us