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Holley EFI 534-284 Hi-Flow Billet Fuel Rails
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Key item features
- Direct Hemi Fitment: Specifically designed for naturally aspirated Gen III Hemi engines, including 5.7L, 6.1L, and 6.4L models from 2003-2021.
- Durable Billet Construction: Machined billet extrusions with a black anodized finish and laser-etched Holley EFI Logo for enhanced durability.
- Optimized Fuel Flow: Features a 5/8" diameter fuel passage, providing increased flow capacity for high horsepower applications compared to stock rails.
- Retained Injector Clips: Designed to reuse factory injector clips, which are crucial for proper injector spray pattern onto valves.
- Versatile Porting Options: Includes -8 ORB ports at both ends and an 1/8" NPT port for optional fuel gauge installation.
- Complete Mounting Hardware: Comes with all necessary mounting brackets and hardware for a straightforward installation.
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Specs
- Vehicle modelGen III Hemi
- Vehicle year2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
- Fuel injection accessory & part typeBillet Fuel Rails N/A Hemi
- BrandHOLLEY EFI
- Vehicle fitment typeSpecific
- MaterialBillet
Current price is USD$255.95
Price when purchased online
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Columbus, 43215
Arrives by Mon, Feb 9
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Starting from $255.95
Compare with similar items
| Product | Viewing this itemHolley EFI 534-284 Hi-Flow Billet Fuel Rails ![]() $255.95 current price $255.9515 out of 5 Stars. 1 reviews | Holley EFI® 12-895 Fuel Pressure Regulator 8AN ![]() $255.95 current price $255.95 | Holley EFI 558-207 Fuel Injection Harness ![]() $306.95 current price $306.95 | Holley EFI 12-864 Fuel Injection Pressure Regulator ![]() $469.95 current price $469.95 | Holley EFI 534-246 Bracket Kit for 534-244 and 534-245 ![]() $61.48 current price $61.48 | Holley 12-880KIT HP Billet Carb/EFI Bypass Fuel Pressure Regulator Kit ![]() $275.95 current price $275.95 | Holley EFI 558-201 Fuel Injection Harness ![]() $182.95 current price $182.95 | Holley EFI 558-425 Fuel Injection Harness ![]() $67.49 current price $67.49 |
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| Vehicle model | Gen III HemiHolley EFI 534-284 Hi-Flow Billet Fuel Rails | -Holley EFI® 12-895 Fuel Pressure Regulator 8AN | 558-207Holley EFI 558-207 Fuel Injection Harness | -Holley EFI 12-864 Fuel Injection Pressure Regulator | LSHolley EFI 534-246 Bracket Kit for 534-244 and 534-245 | -Holley 12-880KIT HP Billet Carb/EFI Bypass Fuel Pressure Regulator Kit | 558-201Holley EFI 558-201 Fuel Injection Harness | -Holley EFI 558-425 Fuel Injection Harness |
|---|---|---|---|---|---|---|---|---|
| Fuel injection accessory & part type | Billet Fuel Rails N/A HemiHolley EFI 534-284 Hi-Flow Billet Fuel Rails | Fuel Pressure RegulatorHolley EFI® 12-895 Fuel Pressure Regulator 8AN | -Holley EFI 558-207 Fuel Injection Harness | Efi RegulatorHolley EFI 12-864 Fuel Injection Pressure Regulator | Bracket KitHolley EFI 534-246 Bracket Kit for 534-244 and 534-245 | -Holley 12-880KIT HP Billet Carb/EFI Bypass Fuel Pressure Regulator Kit | Fuel Injection HarnessHolley EFI 558-201 Fuel Injection Harness | Fuel Injection HarnessHolley EFI 558-425 Fuel Injection Harness |
| Vehicle fitment type | SpecificHolley EFI 534-284 Hi-Flow Billet Fuel Rails | SpecificHolley EFI® 12-895 Fuel Pressure Regulator 8AN | SpecificHolley EFI 558-207 Fuel Injection Harness | SpecificHolley EFI 12-864 Fuel Injection Pressure Regulator | SpecificHolley EFI 534-246 Bracket Kit for 534-244 and 534-245 | SpecificHolley 12-880KIT HP Billet Carb/EFI Bypass Fuel Pressure Regulator Kit | SpecificHolley EFI 558-201 Fuel Injection Harness | SpecificHolley EFI 558-425 Fuel Injection Harness |
| Material | BilletHolley EFI 534-284 Hi-Flow Billet Fuel Rails | aluminumHolley EFI® 12-895 Fuel Pressure Regulator 8AN | -Holley EFI 558-207 Fuel Injection Harness | 6061-T6 billet aluminumHolley EFI 12-864 Fuel Injection Pressure Regulator | SteelHolley EFI 534-246 Bracket Kit for 534-244 and 534-245 | AluminumHolley 12-880KIT HP Billet Carb/EFI Bypass Fuel Pressure Regulator Kit | -Holley EFI 558-201 Fuel Injection Harness | PlasticHolley EFI 558-425 Fuel Injection Harness |
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About this item
Product details
Compatible with 2003-2021 Naturally Aspirated Gen III Hemi Engines-5.7, 6.1, and 6.4 Liter;
The new Hi-Flow billet fuel rails are a direct fit for naturally aspirated Gen III Hemi engines including the 5.7L, 6.1L, and the 6.4L from 2003-2021. The fuel rails feature a 5/8" diameter fuel passage that provides more flow capacity for high horsepower applications over the stock rails.
The black anodized rails have -8 ORB ports on each end and an 1/8" NPT port for a fuel gauge installation if you choose to do so. The rails are designed with the factory injector clip reliefs so that your factory injectors and retaining clips can be reused. The kit includes fuel rails, mounting brackets and required mounting hardware.;
The new Hi-Flow billet fuel rails are a direct fit for naturally aspirated Gen III Hemi engines including the 5.7L, 6.1L, and the 6.4L from 2003-2021. The fuel rails feature a 5/8" diameter fuel passage that provides more flow capacity for high horsepower applications over the stock rails.
The black anodized rails have -8 ORB ports on each end and an 1/8" NPT port for a fuel gauge installation if you choose to do so. The rails are designed with the factory injector clip reliefs so that your factory injectors and retaining clips can be reused. The kit includes fuel rails, mounting brackets and required mounting hardware.;
- Direct fit for naturally aspirated Gen III Hemi engines including the 5.7L, 6.1L, and the 6.4L engines
- Machined Billet extrusions with laser etched “Holley EFI” Logo
- Injector Clip feature retained so factory injector clips can be re-used. This is important as the clips locate the injector radially for proper injector spray pattern onto valves.
- -8 ORB ports front and back
- 1/8 NPT gauge ports machined directly into rail
- Mounting brackets and hardware included
info:
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Specifications
Compatible cars
2003-2021 Naturally Aspirated Gen III Hemi Engines-5.7, 6.1, and 6.4 Liter
Vehicle model
Gen III Hemi
Vehicle year
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Fuel injection accessory & part type
Billet Fuel Rails N/A Hemi
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
California Proposition 65
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Customer ratings & reviews
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Showing 1-1 of 1 review
Sep 21, 2021
jimogeek
5 out of 5 stars review
Perfect OEM like fit with much better flow
Awesome product, perfect fit, and love how it retains the stock fuel injector clips.
Review from jegs.com
Helpful?6L0A81ONVYKE352867959
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