Best Ptfe Fuel Line Kit for E85, EFI, and Custom Builds

#1 · Best Overall

1. Medoon 6AN PTFE Kit

• Weight: 2.06 kg
• Material: Nylon Stainless Steel Braided

Best for: Long LS-swap assembly projects.

Why it ranks #1: Its 26-foot hose is rated to 3,000 PSI working pressure and includes 12 hose-end fittings, quick disconnects, separators, couplers, and assembly tools.

A 26-foot hose and a 12-piece PTFE fitting set give the Medoon kit substantial reach and assembly hardware for an LS swap or EFI project. Its 3/8-inch inner diameter and 3,000 PSI working-pressure rating add useful sizing and operating details for planning a fuel-line build.

The 26-foot AN6 hose can serve longer routes, while the listed 3/8-inch inner diameter helps buyers check whether its size suits their setup. Assembly components include four quick-disconnect fittings, six hose separator clamps, two male couplers, a standard wrench, and a reaming tool, supporting a more equipped installation workflow. The 3,000 PSI working and 10,000 PSI burst ratings, plus compatibility with automotive fuels, lubricants, and coolants, define its stated use and limits.

Skip it if you need a hose operating above 446°F; its listed temperature range does not cover that requirement.

Consider this for a longer LS-swap or EFI plumbing job where the included fittings and assembly tools can support the work. Confirm the 3/8-inch bore and temperature range suit your system.

Listed on Amazon as: 6AN PTFE Fuel Line Kit, Nylon Stainless Steel Braided Fuel Hose, LS Swap EFI E85 Injection Fuel PTFE Fitting 3/8" 26FT

#2 · Highest Pressure

2. Orion Motor Tech 6AN Kit

• Dimensions: 8.9"L x 8.5"W
• Material: Aluminum, Nylon, Polytetrafluoroethylene…

Best for: High-pressure multi-fluid projects.

Why it ranks #2: This 20-foot 6AN kit lists 3,000 PSI working pressure and 10,000 PSI burst pressure, plus straight, angled, and 180-degree fittings.

A 3,000 PSI working-pressure rating sets the Orion Motor Tech 20-foot 6AN PTFE line apart for demanding automotive plumbing. Its stated compatibility with E85, gasoline, diesel, engine oil, and coolant supports several project types, while the included assortment of straight and angled fittings gives installers routing options.

The kit includes four straight fittings plus 45-, 90-, and 180-degree fittings, which gives a builder several supplied angles for negotiating a custom route. Two line separators, an assembly tool, and instructions support organizing and assembling the hose setup. Its 3,000 PSI working and 10,000 PSI burst ratings, alongside a temperature range from -76°F to 500°F, specify operating boundaries. The listed fluids cover fuel, oil, and cooling applications.

Skip it if you need more than 20 feet of hose for one continuous run; the listed length may fall short of that route.

A good match for builders plumbing a 6AN automotive system that uses varied fluids and needs several fitting angles in the kit. Measure the route first: the supplied hose is 20 feet.

Listed on Amazon as: OMT 20 ft 6AN PTFE Fuel Line Kit for E85 Gasoline Oil Coolant

#3 · Long Hose Option

3. EVIL ENERGY 6AN 25FT Kit

• Dimensions: 300"L x 0.47"W
• Weight: 1.5 kg
• Material: Nylon, Polytetrafluoroethylene (PTFE)

Best for: EFI and LS-swap routing.

Why it ranks #3: The 25-foot 6AN hose offers substantial length for custom routing and is listed for EFI, LS swaps, and multiple other automotive line uses.

A 25-foot 6AN PTFE hose makes the EVIL ENERGY kit a practical candidate for extended EFI and LS-swap routing. Its listed applications also include turbo oil feed, transmission cooling, fuel return, and vacuum lines, giving builders multiple stated uses for one hose type.

The 25-foot length offers more routing reach than a compact repair section, while the 6AN size and 5/16-inch inner diameter give buyers measurements to compare with their fittings and system. The product is identified for EFI LS systems and several other uses, including turbo oil feed and transmission oil-cooler lines. Supplied facts also state marine-fuel and SAE 1532 transmission-cooler applications, helping buyers assess those specific contexts before fitting.

Skip it if you require a 3/8-inch inner diameter; this hose is listed with a 5/16-inch bore.

This suits builders planning a longer 6AN EFI or LS-swap route, including listed oil-feed and cooler applications. Its 5/16-inch bore is a key boundary, so verify that dimension against the intended plumbing.

Listed on Amazon as: EVIL ENERGY 6AN 3/8" PTFE LS Swap EFI Fuel Line Fitting Kit, E85 Nylon Braided Fuel Hose 25FT

#4

4. EVIL ENERGY 6AN 26FT Kit

Best for: Long hose with wrench included.

Why it ranks #4: Its 26-foot 6AN hose offers more length than the 20-foot options, with a listed -76°F to 446°F temperature range and 1,500 PSI working pressure.

A 26-foot hose paired with an adjustment wrench gives this EVIL ENERGY 6AN kit extra reach and a named assembly aid. Its 5/16-inch inner diameter, 1,500 PSI working-pressure rating, and broad automotive-fluid compatibility help define where it may fit.

The 26-foot length supports routes that need more reach than a typical short section, while the 5/16-inch inner diameter and 0.45-inch outer diameter provide dimensions for checking connections and available space. An adjustment wrench is specifically listed, adding a tool to the kit contents. The hose is compatible with automotive fuels, lubricants, and coolants, and its -76°F to 446°F range and 1,500 PSI working rating establish operating limits.

Skip it if you need a working-pressure rating above 1,500 PSI; this kit is listed for a lower maximum.

Consider this for a long 6AN automotive line where the included adjustment wrench is useful during assembly. Its 5/16-inch bore and 1,500 PSI working limit remain important fit and system constraints.

Listed on Amazon as: EVIL ENERGY 6AN PTFE Fuel Line Kit, AN6 PTFE Fuel Hose Kit,Nylon Braided E85 LS Swap PTFE Line Hose with Adjustion Wrench Fittings 26FT

#5

5. EVIL ENERGY 6AN 20FT Kit

• Dimensions: 240"L x 0.46"W
• Weight: 1.34 kg
• Material: Nylon, Polytetra, Stainless Steel

Best for: Marine and automotive routing.

Why it ranks #5: This 20-foot 6AN kit covers a common length and lists compatibility with automotive fuels, lubricants, and coolants, plus a 1,500 PSI working rating.

A 20-foot PTFE hose rated for temperatures from -76°F to 446°F gives this EVIL ENERGY kit reach for longer fuel or fluid runs. Its 6AN size and compatibility with automotive fuels, lubricants, and coolants make it useful beyond a single fuel-line application, including supported marine and transmission-cooler uses.

The 5/16-inch inner diameter and 0.45-inch outer diameter provide concrete sizing information for planning a route, while the 20-foot length can cover more distance than a short repair section. The hose’s 1,500 PSI working-pressure rating and PTFE temperature range help define its operating envelope. It is listed for automotive fuels, lubricants, and coolants; supplied facts also identify marine fuel and transmission oil-cooler applications, so buyers can plan around those stated uses.

Skip it if you need a hose rated above 1,500 PSI; this kit’s stated working-pressure limit may not suit your system.

Choose this for a measured 6AN route needing 20 feet of PTFE hose across automotive, marine-fuel, or transmission-cooler work. Check the stated diameter and pressure limit against the system before installation.

Listed on Amazon as: EVIL ENERGY 6AN PTFE Fuel Line Kit AN6 E85 Nylon Braided Hose 20FT Black

#6

6. EVIL ENERGY 6AN E85 Kit

• Dimensions: 240"L x 0.46"W
• Weight: 1.55 kg
• Material: Polytetrafluoroethylene (Ptfe), Nylon

Best for: 20-foot E85 fuel routing.

Why it ranks #6: The 20-foot 6AN hose has a 5/16-inch inside diameter and a -76°F to 446°F listed temperature range, with a 1,500 PSI working rating.

A 20-foot 6AN PTFE hose rated for E85 and other automotive fluids gives this EVIL ENERGY kit a straightforward role in fuel and fluid routing. Its 5/16-inch inner diameter and temperature range from -76°F to 446°F provide useful checks when planning a line installation.

The 20-foot length can cover a longer route than a short section, while the 5/16-inch inner diameter and 0.45-inch outer diameter help buyers assess space and connection needs. Its stated 1,500 PSI working-pressure limit and 4,500 PSI burst rating set pressure boundaries for system planning. Compatibility covers automotive fuels, lubricants, and coolants, and supplied facts also identify marine-fuel and transmission oil-cooler uses.

Skip it if you need a working-pressure rating above 1,500 PSI; this kit’s stated limit is lower than that requirement.

Choose it for a measured 6AN automotive fuel or fluid route where 20 feet and the stated temperature range are suitable. Check the bore and working-pressure limit before committing to the installation.

Listed on Amazon as: EVIL ENERGY 6AN PTFE Fuel Line Kit E85 LS Swap EFI Hose Fitting Kit 20FT

#7 · Compact Hose

7. EVIL ENERGY 6AN 10FT Kit

• Weight: 0.48 kg
• Material: Nylon

Best for: Short 6AN repair runs.

Why it ranks #7: Its 10-foot 6AN hose suits shorter runs, with a 5/16-inch inside diameter and listed compatibility with automotive fuels, lubricants, and coolants.

The 10-foot length makes this EVIL ENERGY 6AN PTFE kit a compact option for shorter fuel-line jobs where excess hose is unnecessary. Its 5/16-inch inner diameter and compatibility with automotive fuels, lubricants, and coolants support a range of stated fluid uses.

For a shorter route, the 10-foot hose can reduce the need to manage a longer coil, while its 5/16-inch inner diameter and 0.43-inch outer diameter help with layout checks. The hose is rated from -76°F to 446°F and for 1,500 PSI working pressure, with a 4,500 PSI burst rating. Listed compatibility includes automotive fuels, lubricants, and coolants, giving the kit scope beyond gasoline-only plumbing.

Skip it if you need more than 10 feet for a continuous line; this kit’s listed length is suited to shorter runs.

This fits a buyer replacing or routing a relatively short 6AN fuel or fluid line who values a defined hose length. Measure the path carefully, since the supplied 10 feet limits reach.

Listed on Amazon as: EVIL ENERGY 6AN PTFE Fuel Line Kit, AN6 E85 Fuel Hose 10FT Black

#8

8. EVIL ENERGY 6AN 10FT Kit

• Weight: 0.6 kg
• Material: Polytetrafluoroethylene (PTFE)

Best for: Tight bends on short routes.

Why it ranks #8: This compact 10-foot 6AN option lists a 3.5-inch minimum bend radius, 1,500 PSI working pressure, and a -76°F to 446°F temperature range.

A stated 3.5-inch minimum bend radius gives this 10-foot EVIL ENERGY hose a concrete routing detail for compact installations. Its 6AN size and compatibility with automotive fuels, lubricants, and coolants make it relevant to short fuel or fluid runs with measured bends.

The 3.5-inch minimum bend radius helps establish how tightly the hose can be routed, while the 10-foot length suits shorter paths where a longer coil is unnecessary. Its 0.31-inch inner diameter and 0.45-inch outer diameter provide dimensions for checking connections and clearance. The -76°F to 446°F temperature range and 1,500 PSI working-pressure rating define operating boundaries; stated applications also include marine fuel and transmission oil-cooler use.

Skip it if you need a continuous hose run longer than 10 feet; this kit’s listed length may not reach.

A fit for short 6AN routes where the stated bend radius helps with layout planning, including listed automotive fluid uses. Measure both the path and available bend clearance before installation.

Listed on Amazon as: EVIL ENERGY 6AN PTFE Fuel Line Kit, AN6 E85 Fuel Hose kit 10FT Black

#9

9. EVIL ENERGY 8AN 20FT Kit

• Dimensions: 0.39"W
• Weight: 2.04 kg
• Material: Nylon, Polytetrafluoroethylene (PTFE)…

Best for: 8AN route with bend limit.

Why it ranks #9: This is a larger 8AN alternative with 20 feet of hose, 0.39-inch listed inside diameter, and 1,500 PSI working pressure.

A 20-foot 8AN PTFE hose with a specified 101.6 mm minimum bending radius gives buyers both reach and a concrete routing constraint. Its 0.39-inch inner diameter and compatibility with automotive fuels, lubricants, and coolants help assess fit for a custom line.

The 20-foot length allows a longer route, while the 0.39-inch inner diameter and 0.55-inch outer diameter help check connection sizing and clearance. Its stated minimum bend radius of 101.6 mm is useful when mapping turns; the hose should be planned around that limit. A -76°F to 446°F operating range, 1,500 PSI working-pressure rating, and 4,500 PSI burst rating define the listed operating envelope.

Skip it if you need bends tighter than 101.6 mm; this hose’s listed minimum bend radius will not suit that path.

This suits buyers planning a measured 8AN fuel or fluid route that can accommodate its stated bend radius. Check the 0.39-inch bore, clearance, and pressure limit against the intended system.

Listed on Amazon as: EVIL ENERGY 8AN PTFE Fuel Line Kit 20FT, AN8 E85 Braided PTFE Fuel Line Kit Black Nylon 8AN Hose

#10

10. EVIL ENERGY 10AN 16FT Kit

• Dimensions: 192"L x 0.68"W
• Weight: 4.6 lb
• Material: Nylon, Stainless Steel

Best for: Larger-bore 10AN plumbing.

Why it ranks #10: The 10AN hose has a 1/2-inch listed inside diameter and 1,250 PSI working pressure, making it less directly suited to buyers seeking common 6AN kits.

A 1/2-inch inner diameter distinguishes this 10AN EVIL ENERGY PTFE hose from the smaller-bore options in this roundup. Its 16-foot length and stated compatibility with automotive fuels and lubricants suit buyers planning a larger-line application, subject to the system’s pressure requirements.

The 10AN size, 1/2-inch inner diameter, and 0.69-inch outer diameter offer measurements for checking a larger plumbing route and its available clearance. With 16 feet of hose, the kit provides moderate reach for a custom installation. Its working-pressure rating is 1,250 PSI, with a 3,750 PSI burst rating and a temperature range from -76°F to 446°F. Those figures define limits buyers should compare with their system.

Skip it if you need a working-pressure rating above 1,250 PSI; this 10AN hose’s listed limit will not meet it.

Choose this for a measured 10AN route where a 1/2-inch bore and 16-foot length suit the plumbing. Its 1,250 PSI working-pressure rating is a central boundary to check.

Listed on Amazon as: EVIL ENERGY 10AN PTFE Fuel Line Kit, AN10 E85 Nylon Braided Hose 16FT