Product Description
Ecu Chipping Kit - Honda OBD1 Ecu - 2 Timer
This board plugs into your 28-pin socket that normally takes a 27C128 or 27C256. It has a single wire lead coming off of it. Put a 27SF512 chip in it, and switch the wire lead to chassis ground to switch between two separate programs! Comes with a 27SF512 chip.