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MSD ATOMIC EFI Billet Fuel Rail Kit (GM LS1, LS6 & LS2)

$371.95

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Billet aluminum fuel rail kit for use on LS1/2/6 Atomic AirForce intake manifolds. Fits manifold part numbers 2702, 27023 and 27024
  • Billet fuel rails specifically designed for MSD Atomic EFI intake manifolds
  • Bright dip, black anodized finish with laser etched logos for long lasting good looks
  • 5/8" diameter fuel passage provides the flow capacity for high horsepower applications
  • Fuel rails are machined to accept -8 (3/4-16) O-ring fittings
  • Includes mounting brackets and hardware
  • Includes (4) -6 to 3/4-16 O-ring adapters
  • If using tall EV1/Bosch style injectors on LS7 or LT applications, there may be interference on low hood applications as on Corvette and similar.
  • 1999-2004 applications utilizing a factory supply and return fuel line will require the addition of a fuel pressure regulator when installing MSD fuel rails.
  • P/N 534-211 - Adapter kit, required when directly connecting Atomic fuel rails to GM factory fuel line quick-connect. Includes (1) 3/4-16 O-ring port plug and (1) -6 to GM quick connect adapter.
  • SPECIAL TOOL REQUIRED: GM 3/8" Quick-Connect Release Tool to disconnect the factory fuel line (these are inexpensive and available at the local auto parts store).
  • Fuel rails are machined to accept large -8 (3/4 -16) O-ring fittings (sold separately) - Earl's P/N AT9850008ERL - 4 required.


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  • Model: 2721
  • FROM: MSD

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we added this on Tuesday 14 May, 2019.

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