it use together with Microtech LT10s ... it replace the OEM igniter. If you using others Standalone ECU and using stock igniter , you can replace it with this X4 also .
For the Original ECU , I not sure can use this X4 or not.
JUN HYPER LEMON EVO V was developed in order to run a circuit fastest.
The body was made light in order to obtain a good lap time.
Engine is using JUN 2.2L STROKER KIT and JUN CAMSHAFT...