TurboXS knock light https://www.summitracing.com/parts/txs-knock
Two Bosch knock sensors
Module that links to Megasquirt
PLX Kiwi 2 Wifi OBD2 scanner

Everything worked when removed from my dad’s Miata a few years ago. Sold as-is with no instructions or support from me.

$25 local for everything pictured +$5 if shipped to continental USA. *Guaranteed coronavirus free, not so sure about herpes.