What is the internal diameter of these fuel rails?

These Aeromotive fuel rails have a full 5/8 inch internal bore. This large bore allows for high fuel flow, supporting engines up to 3,000 horsepower.

Do these fuel rails come with the necessary mounting hardware?

Yes, this kit includes steel mounting brackets designed for a bolt-on installation. These brackets provide a solid mounting platform specific to the intended GM applications.

Can these fuel rails be used with -10 AN fuel lines?

Yes, you can use -10 AN lines by combining these rails with Aeromotive adapter part number 15641, which adapts the ORB-08 ports to -10 AN connections.

Aeromotive 08-14 GM 4.8L/5.3L Fuel Rails - Black

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Specifications

Brand: Aeromotive
Part #: 14143
UPC: 684980014273

Aeromotive 08-14 GM 4.8L/5.3L Fuel Rails - Black

Name: Aeromotive 08-14 GM 4.8L/5.3L Fuel Rails - Black
Brand: Aeromotive
Price: 393.66 USD
Availability: InStock

$393.66

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Worn-out fuel rails can cause inconsistent fuel delivery. These Aeromotive billet aluminum fuel rails are a direct fix for GM LS engines, supporting up to 3,000 HP.

Key Features

Supports up to 3,000 HP — handles high-demand fuel systems.
Billet aluminum construction — well-built and durable.
5/8 inch internal bore — allows for high fuel flow.
ORB-08 ports — provide leak-free connections.
Includes steel mounting brackets — for a solid, bolt-on installation.
Black Type II bright dip anodized finish — resists corrosion and looks good.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Chevrolet Silverado 1500 2008-2013
GMC Sierra 1500 2008-2013

Product Details

Aeromotive High Flow, Billet Fuel Rails combine 3,000 HP flow capabilities with bolt-on ease of installation. Fits GM LS7 Rails Only. ORB-08 Ports with compact connections and positive, leak-free sealing. Full 5/8' ID through bore, capable of supporting up to 3,000 HP. Fully compatible with -10 AN line if combined with custom ORB-08/AN-10 adapter P/N 15641. Full size ports at each end for optimal injector supply and minimal hydraulic fluctuation. Additional inlet/outlet ports are provided where required for plumbing convenience. CNC-machined, billet aluminum construction for unequaled fit and finish. Steel mounting brackets, custom engineered for each application, combining a solid, durable mounting platform with correct fit and bolt-on ease of installation. Red, Type II bright dip anodized finish that looks great and protects against corrosion.