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30FT PTFE Fuel Line Kit for E85, EFI, and LS Swap Plumbing
The EVIL ENERGY PTFE fuel line kit brings the hose, matching PTFE hose ends, routing adapters, separators, and assembly tools into one size-matched package. Select 6AN, 8AN, or 10AN for a custom external fuel-feed or return-line layout without sourcing each connection separately. The 30-foot hose combines a fuel-resistant PTFE tube, stainless-steel reinforcement, and a black nylon outer braid for routing through street, track, off-road, and workshop-built fuel systems.
- One matched AN size: The hose and supplied hose ends correspond to the 6AN, 8AN, or 10AN variant selected.
- More routing choices: Straight, 45-degree, 90-degree, and 180-degree hose ends help reduce unnecessary loops and awkward connections.
- Assembly support included: An adjustable aluminum AN wrench, magnetic soft vise jaws, and a hose reaming tool support cleaner bench assembly.
- Made for custom fabrication: Thirty feet of hose provides room to plan feed lines, return lines, or longer fuel-cell-to-engine layouts.
Choose the Correct 6AN, 8AN, or 10AN Fuel Line Kit
Choose the kit size from the required ports and flow specifications of your fuel pump, filters, regulator, fuel rails, and tank or fuel cell. AN dash size alone is not a horsepower rating. Confirm the complete system design before ordering, because the smallest port, adapter, filter, or hose section can become the flow restriction.
| Kit Variant | Hose I.D. | Hose O.D. | Choose This Size When |
|---|---|---|---|
| 6AN | 0.31 in | 0.45 in | Your system is designed around 6AN ports and its verified fuel-flow requirement is supported by that line size. |
| 8AN | 0.39 in | 0.55 in | Your pump, filter, regulator, and fuel-rail layout calls for 8AN plumbing and additional line capacity. |
| 10AN | 0.52 in | 0.69 in | Your high-flow system is specified for 10AN plumbing and all connecting ports can support that flow path. |
What Is Included in Each EVIL ENERGY PTFE Fuel Line Kit?
Each package includes one 30-foot hose and a matching set of PTFE hose ends in the AN size selected. The component image below shows the 6AN package; adapter thread sizes must follow the selected variant shown in the product options.
- 30FT Nylon-Braided PTFE Fuel Hose × 1
- Matching Straight PTFE Hose Ends × 6
- Matching 45-Degree PTFE Hose Ends × 2
- Matching 90-Degree PTFE Hose Ends × 2
- Matching 180-Degree PTFE Hose Ends × 2
- Matching Male AN-to-NPT Adapters × 4
- Matching AN Cap × 1
- Dual-Hose Separator Clamps × 4
- PTFE Hose Reaming Tool × 1
- 3AN-16AN Adjustable Aluminum Wrench × 1
- Magnetic Nylon Soft Vise Jaw Set × 1
Hose Construction, Ratings, and Assembly
Three-Layer Hose Construction
Each layer has a separate job. The smooth PTFE inner tube carries compatible fluid and helps resist fuel permeation and material swelling. A 304 stainless-steel braided middle layer reinforces the hose under pressure. The black nylon outer braid protects the metal reinforcement from routine abrasion and gives the completed line a clean, uniform finish.
Pressure, Temperature, and Fluid Capability
The hose is specified for a maximum working pressure of 1,500 PSI, a burst pressure of 4,500 PSI, and temperatures from -76°F to 446°F (-60°C to 230°C). It is compatible with E85, gasoline, automotive fuels, lubricants, and compatible coolants. These are hose ratings rather than a target system pressure; the safe operating limit of an installed system is always determined by its lowest-rated component and the requirements of the vehicle.
Four-Step PTFE Hose-End Assembly
- Measure and cut: Plan the full route, mark the hose, wrap the cut point with tape, and make a clean square cut.
- Prepare the hose: Remove loose debris, open the braid carefully, and position the supplied ferrule as required by the matching PTFE hose end.
- Assemble the fitting: Use the soft vise jaws and AN wrench to tighten the hose end without crushing, scratching, twisting, or kinking the line.
- Clean and verify: Clear assembly debris from the hose, inspect every connection, secure the route, and pressure-test the completed lines before driving.
Installation note: This is a universal fabrication kit, not a vehicle-specific bolt-on assembly. Keep the hose away from exhaust heat, sharp edges, moving parts, and pinch points. Support long runs with suitable clamps, protect every panel pass-through, and do not force the hose into a kink. Professional installation is recommended for fuel-system work.