




⚡ Fuel your LS build with precision flow and pro-grade style!
Holley EFI’s LS Hi-Flow Fuel Rails deliver optimized 5/8” fuel passage for high horsepower LS engines, finished in durable black anodized coating with laser-etched EFI logo. Designed for LS1, LS2, LS3, LS6, and L99 factory intakes, these rails come ready with -8 O-ring fittings and adapters, ensuring a seamless, race-proven upgrade trusted by motorsport champions.


| Material | Plastic |
| Brand | Holley EFI |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | 3/4-16 UN female thread |
| Outlet Connection Type | SAE |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Specification Met | certified frustration-free |
| Global Trade Identification Number | 00090127680582 |
| Manufacturer | Holley EFI |
| UPC | 090127680582 |
| Model | Holley EFI 534-209 LS Hi-Flow Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes |
| Item Weight | 3.52 pounds |
| Item model number | 534-209 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 534-209 |
| OEM Part Number | 534-209 |
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