Kit that refreshes the ignition system of the 1.8L NA (1994-1997) or NB (1998-2005) MX-5 Miata. The wiring system from the 1990’s has poor performance and gets degraded over years. This kit is an ignition tuning kit that installs by wiring directly all the way to the ECU coupler. TUCKIN99 Direct Ignition Kit should be ordered at REV9 Autosport https://rev9autosport.com/tuckin99-direct-ignition-kit.html as they provide the best service and speed we've seen so far!