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Instruction Sheets for Part Number MSD-2721
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MSD Atomic EFI Billet Fuel Rails
Fuel Rails, MSD Atomic EFI, Billet Aluminum, Black Anodized, Plumbing Kit, for use with LS1/2/6 AirForce Manifold, Kit
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Estimated Ship Date: Nov 16, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
2721
Part Type:
Product Line:
Summit Racing Part Number:
MSD-2721
Item Number:
5745328
UPC:
085132027217
Fuel Rail Material:
Aluminum
Fuel Rail Color:
Black
Fuel Rail Inlet Size:
-8 AN O-ring
Fittings Included:
Yes
Hardware Included:
Yes
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
For use with Atomic AirForce intake manifolds only. Includes 6 ft. of -6 AN hose, four 90 degree -6 AN fittings and two straight -6 AN fittings.
MSD Atomic EFI Billet Fuel Rails
MSD Atomic EFI billet fuel rails are the perfect complement for your Atomic AirForce intake manifold. Whether you're looking for just rails, or complete kits with all the necessary plumbing--these fuel rails will have you looking for any excuse to pop the hood. They feature a bright dip, black anodized finish with laser-etched logos and a 5/8 in. diameter fuel passage flow capacity for high-horsepower applications. Make your engine look as good as it performs with MSD Atomic EFI fuel rails.
Features, specs, and parts may include:
* Fuel rails are machined to accept large -8 (3/4 in.-16) O-ring fittings
* Includes mounting brackets and hardware
* Includes four -6 to 3/4 in.-16 O-ring adapters
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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