MSD Digital Programmable 6AL-2 - Red 6530. Universal - Tune Ignition Curve or Boost Timing Map from PC. The Programmable 6AL-2 lets you lock out the distributor and program a timing curve via a PC. You'll also be able to set a 2-Step Rev Limiter, a retard for use with nitrous and even a boost timing curve for forced induction engines!
