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🛠️ Fuel your LS build with race-ready flow and style!
Holley’s LS Hi-Flow Fuel Rails deliver superior 5/8” fuel passage diameter for high horsepower LS engines, finished in durable black anodized coating with laser-etched EFI branding. Compatible with LS1, LS2, LS3, LS6, and L99 factory intakes, these rails include -8 O-ring fitting compatibility and adapters, combining precision engineering with a legacy of motorsport dominance.
| ASIN | B007V3WEOE |
| Best Sellers Rank | #992,140 in Automotive ( See Top 100 in Automotive ) #2,057 in Automotive Replacement Fuel System Fittings |
| Brand | Holley EFI |
| Customer Reviews | 4.2 4.2 out of 5 stars (36) |
| Date First Available | April 17, 2012 |
| Exterior Finish | black anodized |
| Global Trade Identification Number | 00090127680582 |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | 3/4-16 UN female thread |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.52 pounds |
| Item model number | 534-209 |
| Manufacturer | Holley EFI |
| Manufacturer Part Number | 534-209 |
| Material | Plastic |
| Model | Holley EFI 534-209 LS Hi-Flow Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes |
| Number of Ports | 2 |
| OEM Part Number | 534-209 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | SAE |
| Specification Met | certified frustration-free |
| UPC | 090127680582 |
D**S
Nice rails.
Nice rails. Made them work on my TBSS intake with tall injectors but wasn't easy by any means. Lots of starting and seeing tons of leaks then making new brackets again. These rails are very nice tho. Come box perfect from holly and detailed instructions with multiple diagrams of how you can plum fuel to them.
R**6
Slick beauty flows like a champ.
Yes! direct bolt on fitment to the FAST LSXR intake. Fuel injectors will need the thicker O-ring. These flow well and have a nice black paint for my blacked out 6.0 Liter. My boosted lq4 is pushing 900hp
F**O
Better than the knock off fuel rails some companies offer
Had to bend the brackets and elongate the holes a bit to make it fit on my ls1 style intake but other than that the product works great and way better than the knock off fuel rails that leak from the injector holes
R**S
Fits and doesn't leak
Purchased as a replacement for a less expensive fuel rail which I purchased from Amazon that leaked like a garden hose. This system fit and functioned from startup with no leaks. Only advise is to get a couple #8 ORB plugs if you don't have a full flow (front and rear crossover) hose routing.
J**E
Five Stars
Great product, fits perfectly and showed up on time! Thanks
R**T
The best
Great product fit perfect
P**N
excellent quality, like most Holley products
excellent quality, like most Holley products, but additional installation kit needed for some LS motors depending on the injectors. not happy about the extra $42 for the installation kit.
D**E
Awesome
International sale- no problems . Product awesome.
A**R
Product seems good two months orderd twice box was beat to hell but not damaged jegs or sumit would be a better option
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