Trackspeed 12+1 Crank Trigger Wheel


12+1 tooth crank trigger wheel for AEM EMS-4.

  • Compatible with the factory 94-05 harmonic damper only (96-05 recommended).
  • Will not work with Megasquirt MS2 or MS3 without custom code (we do not provide this code). 
  • See below for Advanced Pickups screen (tooth control and other required settings). You will also need to multiply your phasing tooth tables by 6 (0-1-2-3 becomes 0-6-12-18). 

We do not sell AEM EMS-4 ECUs or PnP systems. 

Additional Info