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Garage Sale - MSD 2950 Atomic EFI Fuel Injection for GM LS Engines, Master Kit
Garage Sale - MSD 2950 Atomic EFI Fuel Injection for GM LS Engines, Master Kit

ATOMIC LS MAST KT LS2 & LS3

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Garage Sale - MSD 2950 Atomic EFI Fuel Injection for GM LS Engines, Master Kit
ATOMIC LS MAST KT LS2 & LS3
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Part # UP82455
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for MSD to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item UP82455 is made to order. It will be shipped from our warehouse when it is produced.

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Sold in Quantity:
Each
MFG. Part #:
2950
GTIN Code:
085132029501

Specs

This is Garage Sale priced because it is an open box item.  Shown pieces are included.

MSD is making Atomic EFI the simple solution for your LS EFI needs. Start your installation by knowing that you’re getting everything you need for your crate engine. These kits are each designed for a specific engine and are supplied with the Rail Assemblies, Handheld Controller, Power Module and Harness, Wide-Band 02 Sensor and Bung, -6 fittings for the fuel rails and hose for the cross-over. 

  • Master kit to swap LS2/LS3 engine
  • Fuel pump and lines not supplied with kit
  • Integrated fuel rails and ECU
  • Patent pending wiredless technology reduces wire
  • Automatically recognizes 24 or 58 crank trigger wheels
  • Self-learning - No laptop required
  • Returnless fuel line compatible
  • Supports up to 1000 horsepower
  • Accepts Mechanical and Electronic Throttle Control Systems
  • Single WBO2 included and will accept a second sensor

5472950 Atomic EFI LS Instructions (PDF)

Application

Yes, this will fit LS1/LS6, LS2/LS6 engines and LS Truck engines.

For LS1/LS6 and Truck engines, you will need a master kit and an installation kit to match your engine.¬†There are two accessory ‚ÄėInstallation Kits‚Äô that provide the correct injector connectors for an LS1/LS6 when used with the PN 2950 LS2/3 Master Kit.

For LS7 engines, please see Atomic EFI LS7 Master Kit (5472960)

Notes

The Atomic LS is actually so much more than a simple conversion! Check out all the callouts on the graphic Atomic LS EFI Features to see how this system is easier to use.

Master kits do not include fuel pump and fuel lines.

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

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

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  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.

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