2721 MSD Atomic EFI Billet Fuel Rails

Fuel Rail Kit, LS1/2/6 Airforce Manifold • 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._x000D_ _x000D_ • 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._x000D_ _x000D_ • 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._x000D_ _x000D_ • 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)._x000D_ _x000D_ • Fuel rails are machined to accept large -8 (3/4 -16) O-ring fittings (sold separately) - Earl's P/N AT9850008ERL - 4 required. MSD; EFI; fuel injection; Atomic; Air Force; AirForce; LS1; LS2; LS6; LS7; LT1; billet; fuel rail; kit Msd Atomic EFI Billet Fuel Rails Billet aluminum fuel rail kit for use on LS1/2/6 Atomic AirForce intake manifolds. Fits manifold part numbers 2702, 27023 and 27024. MSD's new Atomic EFI billet fuel rails enhance the great looks of your Atomic AirForce intake manifold._x000D_ _x000D_ Available as rails only, or as complete kits that include all necessary plumbing, these fuel rails are a perfect addition to your engine bay. The bright dip, black anodized finish with laser etched logos will look great for years._x000D_ _x000D_ MSD Atomic fuel rails feature a 5/8" diameter fuel passage that provides the flow capacity necessary to fuel high horsepower applications making them the perfect match for your Atomic AirForce intake manifold. Includes (4) -6 to 3/4-16 O-ring adapters