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Great entry-level mod for any build
Compatible Vehicles
2022 Dodge Challenger R/T(5.7L HEMI V8)
2022 Dodge Challenger R/T Scat Pack(6.4L HEMI V8)
Holley EFI
Holley EFI Hi-Flow Fuel Rails
MPN: 534-284 · SKU: CR20270
View on Holley EFI website5.0across 2 reviews
$255.95
Limited warranty
Great entry-level mod for any build
Compatible Vehicles
2022 Dodge Challenger R/T(5.7L HEMI V8)
2022 Dodge Challenger R/T Scat Pack(6.4L HEMI V8)
What Does This Do?
High Quality Structure. Holley EFI Hi-Flow Fuel Rails are the pinnacle of fuel delivery performance, meticulously crafted to meet the demands of high-performance engines. Constructed with precision machined billet extrusions, each rail features a laser-etched "Holley EFI&quo
Why Install This?
Benefits
- Easy bolt-on installation — most people can do this in their driveway with basic tools
Where does this go on the car?
Holley EFI Hi-Flow Fuel Rails changes 1 primary stock component (highlighted red). Included or supporting pieces are listed below.
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Red = primary stock component changed
Primary install target (1)
- Fuel Rails
Specifications
3 attributes| Fuel Passage Diameter | 5/8 inch1 |
| Gauge Ports | 1/8 NPT1 |
| Finish | Black anodized1 |
Sources: 1AmericanMuscle
Price Comparison
Compare prices across 1 retailer — every link opens the real product page
Best price
$255.95
at AmericanMuscle
Frequently Asked Questions
Will the Holley EFI Hi-Flow Fuel Rails fit my car?
Verified fitment includes 2022 Dodge Challenger. The full compatibility list is shown in the Compatible Vehicles section above; if your specific year/trim is not listed, double-check with the retailer before purchase.
Based on product data
How hard is it to install the Holley EFI Hi-Flow Fuel Rails?
This is rated as an easy bolt-on install. Most owners complete it in a driveway with hand tools.
Based on product data
Does the Holley EFI Hi-Flow Fuel Rails come with a warranty?
Yes — 90-day warranty against defects on materials and workmanship per the listing on americanmuscle. Refer to the retailer or manufacturer for the full terms before installation.
Based on product data
Fuel Rails buyer's guide
How to pick fuel rails for your Challenger — what matters, what doesn't, and what to avoid.
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