All engine main wire harnesses include as standard features premium TXL wire, pre-terminated sensor connector ends and are labeled for easy connection to the sensors.
One fuel injection harness is included and features premium TXL wire and comes completely assembled and labeled for connection to the fuel injectors.
EV1 = Evolution 1 fuel injector connectors
EV6 = Evolution 6 fuel injector connectors
BASE engine wire harness kits are used with a points-style ignition trigger output.
All other engine harnesses are utilized for dedicated engine coil on plug applications except for the universal Chevy/Ford COP harnesses which have both HED and VR connectors for the crank/cam sensors.