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Atomic EFI Installation Kit for GM LS1/LS6 Engines
Atomic EFI Installation Kit for GM LS1/LS6 Engines

Atomic EFI Installation Kit for GM LS1/LS6 Engines

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Atomic EFI Installation Kit for GM LS1/LS6 Engines
Atomic EFI Installation Kit for GM LS1/LS6 Engines
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Part # 5472955
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HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

These kits complement the Master Kits and provide the necessary brackets and injector connectors to complete an install for LS1/LS6 and LS Trucks. These kits provide different brackets for the rail assemblies as well as different injector connectors to adapt the LS2/3 Master Kit to work on the LS1/LS6 and truck intakes.

  • For LS1/LS6 Atomic Installations
  • Must use with 2950 Atomic LS Master Kit
  • Includes brackets and injector connectors
  • Uses EV1 Injector Harness 

5472955 Atomic LS1/LS6 Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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