Holley 021-AS2011-1 Jackpot Engine Control Kit Features:
Plug-and-play standalone EFI for LS and LT engines
Includes ECU, harness, and sensors
Pre-calibrated base tune for common LS/LT combinations
Controls: fuel injection, ignition, idle
USB tuning via HP Tuners or Holley EFI software
Eliminates factory ECU and emissions equipment
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