SparkMAX – Note to MSD 2-Step Users (coil on plug 2 step) Forum Index › Forums › PowerMAX › SparkMAX – Note to MSD 2-Step Users (coil on plug 2 step) This topic has 0 replies, 1 voice, and was last updated 10 years, 1 month ago by JMS Chip. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In