Hypertech 129102 TBI Auto Computer Chip (89 C15/25 P/U 350) The product is 129102 - 89 C15/25 P/U 350 TBI Auto Computer Chip Easy to install The product is manufactured in United States Must run premium fuel Plug in and go, no wiring or soldering required 50-state street legal Use with 160 degree or 180 degree thermostat