Universal - Tune Ignition Curve or Boost Timing Map from PC 2010-gmc-sierra-2500-hd-esi7223844 Air Suspension - Air Spring

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Universal - Tune Ignition Curve or Boost Timing Map from PC 2010-gmc-sierra-2500-hd-esi7223844 Air Suspension - Air SpringThe 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!