Kw: killowatt unit (for starter output). 100a: 100 ampere output (for alternators). 120a: 120 ampere out (for alternators). 80a: 80 ampere output (for alternators). All orders from Canada will need a phone number.
The starter appears to be working after installation. Too soo to give a proper feedback. However, an important. Matric size hardware nut and washer for the electrical line connection was missing which required a trip to the hardware store in the middle of the job. The required hardware is a different fitment then OEM.