fellow racers, here is some facts about the 7530t, although that unit is cheaper then the 7535-75301-7531.. it was only to be used in NHRA pro stock .:001_cool:

Mandatory Pro Stock Ignition Big news for MSD and NHRA Pro Stock Racers The newPN 7530T Programmable Digital 7 Ignition Controlwill be mandatory for Pro Stock competitors at the Mac Tools Gatornationals. Mandatory Pro Stock Ignition Big news for MSD and NHRA Pro Stock Racers - T...