Billet aluminum fuel rails for use on LT1 Atomic AirForce intake manifolds. Fits manifold part numbers 2700, 27003 and 27004.
- 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.
