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MSD Atomic EFI Billet Fuel Rail Kit 2721

MSD Atomic EFI Billet Fuel Rail Kit 2721
MSD Atomic EFI Billet Fuel Rail Kit 2721MSD Atomic EFI Billet Fuel Rail Kit 2721MSD Atomic EFI Billet Fuel Rail Kit 2721MSD Atomic EFI Billet Fuel Rail Kit 2721MSD Atomic EFI Billet Fuel Rail Kit 2721MSD Atomic EFI Billet Fuel Rail Kit 2721
$589.99 ea
NEWARRIVING SOONEstimated Ship Date 12/10/2024 (If Ordered Today)48 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/22/2024
Model: 4016926
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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MSD's new Atomic EFI billet fuel rails enhance the great looks of your Atomic AirForce intake manifold. 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. 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.
Features:
  • Specifically Designed To Fit MSD Atomic EFI Manifolds
  • Laser Etched Logos For Long Lasting Good Looks
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Installation Notes:
• 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.
About MSD Ignition

Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you  need to meet your performance goals. We continue to innovate and invent components and technology that deliver  performance and reliability with products that are easy to use and install. 

Over the course of 40-plus years, MSD Performance has been driving the development of innovative components  that helped shape the way our cars race and perform. From super speedways to road courses, land speed racing to  top fuel dragsters, and of course your traditional hot rod, MSD has provided the components to fire nearly anything in  motorsports.

MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. The line of MSD 6-Series Ignitions are the most popular aftermarket ignitions in the world due to our race-proven performance on the track and our reliability on the street!

Early on, MSD focused squarely on ignition systems with revolutionary products like the multiple sparking CD ignition, timing and rev controls, billet aluminum distributors and the Pro-Mag, an incredible breakthrough in power  and endurance. 

Today MSD is developing electronics for your entire powertrain. The Atomic EFI systems for the LS engine platform and throttle body are now complemented with a transmission controller. Our DynaForce Starters and Alternators  ensure that your engine cranks over to fire up and the Alternators keep it charged. MSD is poised to deliver components that work and communicate together to provide performance and value.

Downloads:

Download Name File Size
199r11621.pdf1.57MB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Fitment Notes
Chevrolet SSR 2005 - 2006 For Use w/Atomic Airforce Intake Manifolds PN[2702/27023/27024]; 5/8 in.; Black Bright Anodized Finish
Adapter Kit Holley EFI PN[534-211] Required When Directly Connecting Atomic Fuel Rails To GM Factory Fuel Line Quick-Connect/Includes 3/4-16 O-Ring Port Plug And -6 To GM Quick Connect Adapter~Fuel Rails Are Machined To Accept Large -8 3/4 -16 O-Ring Fittings Earls P/N [At985008ERL]/4 Required~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~Requires 3/8 In. GM Quick Connect Release Tool To Disconnect Factory Fuel Line
Chevrolet Trailblazer SS 2006 - 2009 For Use w/Atomic Airforce Intake Manifolds PN[2702/27023/27024]; 5/8 in.; Black Bright Anodized Finish
Adapter Kit Holley EFI PN[534-211] Required When Directly Connecting Atomic Fuel Rails To GM Factory Fuel Line Quick-Connect/Includes 3/4-16 O-Ring Port Plug And -6 To GM Quick Connect Adapter~Fuel Rails Are Machined To Accept Large -8 3/4 -16 O-Ring Fittings Earls P/N [At985008ERL]/4 Required~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~Requires 3/8 In. GM Quick Connect Release Tool To Disconnect Factory Fuel Line

Specifications:

Color Black
Emission Code 5
Engine GM LS1/LS2/LS6
Part Type Fuel Injector Rail

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MSD Atomic EFI Billet Fuel Rail Kit 2721:
Classic Truck 2024