Best Fuel Line Kit For Ls Swap: Compare 10 Kits

#1 · Best Overall

1. Htostar Racing PTFE Kit

• Dimensions: 9.4"L x 4"W

Best for: Specified LS V8 engine fitment.

Why it ranks #1: Lists fitment for 4.8L, 5.3L, and 6.0L LS-based engines and includes a 25-foot PTFE hose, 58 PSI regulator, and return fuel rail adapter.

Compatibility with Chevrolet 4.8L, 5.3L, and 6.0L V8 LS-based engines from 1999–2014 gives this Htostar Racing kit a specific fitment focus. It pairs a 25-foot PTFE hose with a 58 PSI filter regulator and return fuel rail adapter for a more complete EFI plumbing package.

The 6AN PTFE hose is listed at 25 feet, with an 8 mm inner diameter and a temperature range of -76°F to 446°F. Its stated 3,000 psi working pressure and 10,000 psi burst pressure help define operating limits for system planning. The included 58 PSI regulator and return fuel rail adapter bring pressure control and a return-line connection into the package, while the listed engine years narrow its application reference.

Skip it if you have an engine outside the listed Chevrolet 4.8L, 5.3L, or 6.0L 1999–2014 range; YEHERIT’s kit specifies C5 Corvette use instead.

This is a focused option for owners working with the listed 1999–2014 Chevrolet LS-based V8s who want a regulator and return adapter included. Its stated engine range is the key application boundary.

Listed on Amazon as: LS Swap EFI Fuel Injection Hose Line Fitting Kit with 6AN 3/8", PTFE EFI Fuel Hose Kit and 58 PSI Fuel Filter Regulator Return Fuel Rail Adpater

#2 · Best 58 PSI Regulator

2. EVIL ENERGY 6AN Regulator Kit

• Dimensions: 300"L x 0.56"W
• Weight: 1.82 kg
• Material: Cpe Nylon, 304 Stainless Steel, Cpe Rubber…

Best for: Ethanol-free LS swap plumbing.

Why it ranks #2: Designed for LS swaps and EFI, with a 20-foot 6AN line and 58 PSI filter regulator; its stated fuel compatibility excludes E85 and ethanol.

The included 58 PSI filter regulator gives this EVIL ENERGY 6AN kit a clear LS-swap focus: it combines fuel filtration and pressure regulation with a 20-foot CPE hose. That setup can simplify planning a fuel-injection line, while the hose’s stated fuel compatibility sets an important boundary for owners choosing a fuel type.

Its 20-foot braided hose is specified for LS swaps, EFI conversions, and fuel-injection systems, giving installers line length for a custom route. The included 58 PSI filter regulator brings filtration and pressure regulation into the same kit, rather than requiring those functions to be sourced separately. The hose is rated to 750 psi working pressure and -22°F to 248°F; its listed compatibility excludes E85 and ethanol, so fuel choice matters before assembly.

Skip it if you run E85 or ethanol; this hose excludes both, while YYSSFM’s antistatic PTFE hose is listed as E85-safe.

For an LS-swap or EFI installer using gasoline or diesel, this kit pairs a long 6AN hose with a 58 PSI filter regulator. Its stated fuel exclusion makes it a poor match for E85 or ethanol systems.

Listed on Amazon as: EVIL ENERGY 6AN LS Swap Fuel Line Kit 20FT CPE Hose 58PSI Filter Regulator

#3 · Longest Regulator Line

3. YEHERIT 6AN Regulator Kit

• Weight: 2.14 kg
• Material: Stainless Steel

Best for: C5 Corvette 58 PSI setup.

Why it ranks #3: Combines a 58 PSI filter regulator and 25-foot 6AN EFI hose, making it a useful bundled option for an LS swap requiring that pressure.

A stainless steel filter regulator paired with a 25-foot 6AN EFI hose gives the YEHERIT kit a focused role in LS swaps, especially C5 Corvette applications. Its specified 58 PSI regulation brings a target pressure into the package, while the included fittings support a complete fuel-system setup.

The kit combines the filter regulator, 25-foot EFI hose, and 6AN fittings, allowing an installer to plan filtration, regulation, and line routing from one package. Its stated 58 PSI regulation is the central specification for a compatible LS fuel-delivery setup. The product description specifically names C5 Corvette compatibility, so that vehicle application is its clearest fit reference; the supplied details do not establish broader vehicle fitment or hose pressure and temperature ratings.

Skip it if you are not working with a C5 Corvette application; this listing specifies that fit, while the YEHERIT details do not establish broader vehicle compatibility.

A C5 Corvette LS-swap installer seeking a 58 PSI regulator, filter, hose, and fittings together is the clearest match. Treat the stated C5 application as the fit boundary because other vehicle coverage is not specified.

Listed on Amazon as: 58 PSI LS Swap Fuel Filter Regulator with 25FT 6AN EFI Fuel Hose & 6 AN Fittings Compatible With C5 Corvette

#4 · Best E85-Ready Line

4. EVIL ENERGY 6AN PTFE Kit

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

Best for: Multi-purpose PTFE line routing.

Why it ranks #4: Its 25-foot PTFE nylon-braided hose is presented for EFI LS systems and lists E85 use, while supporting a broad range of fuel-line applications.

A 25-foot PTFE-lined, nylon-braided hose gives this EVIL ENERGY 6AN kit reach for more than an LS swap: its listed uses also include turbo oil feed, transmission cooling, and return lines. That range suits a project with several plumbing needs, while the 5/16-inch inner diameter defines the hose size.

The PTFE and nylon-braid construction is paired with a broad application list covering EFI, LS conversions, carburetor fuel, vacuum, vapor return, and turbo lines. That versatility can help an installer use one kit across different routing tasks, instead of limiting it to a single fuel-line role. At 25 feet, the hose offers substantial routing length; its 5/16-inch inner diameter is a concrete sizing detail to account for when planning connections.

Skip it if you need a 3/8-inch inner diameter; Medoon’s 26-foot kit specifies that bore, whereas this hose is 5/16 inch.

Choose this kit when an LS or EFI project also needs plumbing for applications such as turbo oil feed or transmission cooling. Its 25-foot length and 5/16-inch bore remain important routing and sizing constraints.

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

#5 · Most Fittings Included

5. Medoon 6AN PTFE Kit

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

Best for: High-pressure PTFE kit installers.

Why it ranks #5: Includes 26 feet of 3/8-inch hose, 12 PTFE hose-end fittings, four quick-disconnect fittings, clamps, couplers, a wrench, and a reaming tool.

A 3/8-inch inner diameter and 3,000 psi maximum working pressure distinguish this 26-foot Medoon PTFE kit for performance plumbing. Its package adds hose-end and quick-disconnect fittings, clamps, a coupler, wrench, and reaming tool, giving installers hardware for assembly and line organization alongside the hose itself.

The stated 3/8-inch inner diameter and pressure rating provide useful system-planning figures, while the -76°F to 446°F operating range covers a broad temperature span. Twelve PTFE hose-end fittings and four quick-disconnect fittings offer connection options; six separator clamps help keep routed hose organized. The included wrench and reaming tool support hose assembly work. The listing also identifies compatibility with E85, and advises checking system pressure and temperature against the hose’s limits.

Skip it if you need a 5/16-inch bore to match your planned line; YYSSFM lists a 5/16-inch ID hose, while this kit is 3/8 inch.

This kit suits performance-focused LS or EFI installers who want PTFE hose, E85 compatibility, and assembly hardware in one package. Check that its 3/8-inch bore, pressure rating, and temperature range suit the 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

#6

6. BRIFITOR 6AN PTFE Kit

• Dimensions: 300"L x 0.46"W
• Material: Aluminum

Best for: Fitting-rich hose assembly work.

Why it ranks #6: Targets EFI fuel-line use with a 25-foot PTFE hose and 20 hose-end fittings and adapters; its listed working-pressure limit is 1500 psi.

Twenty hose-end fittings and adapters make the BRIFITOR 6AN kit particularly geared toward installers who want connection hardware on hand for routing. It includes a 25-foot PTFE hose and assembly reaming tool, so the package addresses both the line and a basic step in preparing it for fittings.

The 25-foot hose provides routing length, while the 20 included hose-end fittings and adapters give the installer multiple connection pieces for a complete assembly. Its 7.9 mm inner and 11.1 mm outer diameters help with line planning and clearance checks. The listed temperature range is -76°F to 446°F; the reaming tool supports hose-end preparation, making it a practical inclusion for assembly work rather than just storage in the box.

Skip it if you need a clearly stated maximum working-pressure figure before choosing hose; Medoon lists 3,000 psi, unlike this listing’s incomplete figure.

Choose this package if you value a large assortment of fittings and an included reaming tool for assembling a 6AN PTFE line. Its pressure information is incomplete, so pressure-critical projects need a fully specified hose.

Listed on Amazon as: 6AN PTFE Fuel Line Kit,Nylon Braided PTFE Hose 25FT & 6AN Fittings

#7

7. YESHMA 6AN PTFE Kit

• Dimensions: 300"L x 0.47"W
• Weight: 1.45 kg
• Material: Aluminum, Nylon, Polytetrafluoroethylene…

Best for: Broad-use 25-foot PTFE hose.

Why it ranks #7: A 25-foot PTFE line is described for EFI LS systems and several fuel-line applications, with a 5/16-inch inner diameter.

A 25-foot PTFE-lined hose with a 5/16-inch inner diameter gives the YESHMA kit a clear basis for fuel-line planning across multiple applications. Its listed uses extend from LS and EFI conversions to turbo oil, transmission cooler, vacuum, and return lines, making it relevant to varied plumbing tasks.

The PTFE-lined, nylon-braided construction is paired with a broad list of uses, including EFI fuel injection, carburetor lines, turbocharger fuel, and transmission cooling. That range lets an installer consider the hose for more than a single fuel supply route. At 25 feet and 5/16-inch inner diameter, it offers specific length and bore details for planning; the listing also identifies high-temperature and high-pressure applications without supplying figures in the provided details.

Skip it if you need numerical pressure and temperature limits to size the line; Medoon lists both, while YESHMA’s supplied details do not give figures.

This kit suits a buyer routing a 5/16-inch 6AN line across fuel or other listed vehicle applications. Its broad use list is helpful, but the supplied specifications lack numerical operating limits.

Listed on Amazon as: 6AN 25F PTFE Fuel line Hose Kit,AN6 3/8" PTFE LS Swap EFI Fuel Line Fitting Kit E85 Oil Gas Nylon Braided Fuel Hose

#8

8. YYSSFM Antistatic PTFE Kit

• Dimensions: 240"L x 11"W
• Weight: 3.7 lb
• Material: Antistatic PTFE, Braided Nylon, Stainless…

Best for: E85 antistatic race fuel line.

Why it ranks #8: Its 20-foot, 5/16-inch antistatic PTFE hose is specifically described as E85-compatible and includes 12 PTFE fittings, though LS fitment is less explicit.

A carbon-impregnated conductive PTFE core is the defining feature of this YYSSFM hose: it carries static charge toward the metal hose ends rather than letting it build on the liner. Combined with stated E85, methanol, and nitromethane compatibility, it targets demanding race-fuel plumbing.

The three-layer construction pairs a smooth-bore antistatic PTFE core with 304 stainless steel braid and a black nylon cover. The core’s stated charge path addresses static buildup, while the braid and cover provide the listed pressure and abrasion protection roles. The kit includes 20 feet of 5/16-inch-ID hose and 12 PTFE fittings, giving an installer a defined hose length and connection set. Its fuel compatibility includes E85, methanol, and nitromethane.

Skip it if you need more than 20 feet of hose for your route; EVIL ENERGY’s 30-foot 8AN kit provides a longer listed length.

For race-fuel plumbing involving E85, methanol, or nitromethane, this kit combines an antistatic PTFE core with fittings. Its 20-foot length and 5/16-inch bore are the key routing constraints.

Listed on Amazon as: 6AN PTFE Fuel Line Kit, Antistatic E85 Hose 20FT, 5/16" ID, Nylon Braided

#9

9. BOMLING 6AN PTFE Kit

• Material: Polytetrafluoroethylene (PTFE), Nylon

Best for: Mixed-angle fitting assortment.

Why it ranks #9: The listing specifies a PTFE hose for LS swap EFI and E85, with up to 3000 psi working pressure and assorted straight, angled, and 180-degree fittings.

A 18-piece hose-fitting assortment with straight, 45-degree, 90-degree, and 180-degree options makes the BOMLING kit useful when a route needs varied connection angles. The package also includes separator clamps and PTFE hose, giving an LS-swap or EFI installer hardware for shaping and organizing a line.

The fitting assortment includes six straight fittings, two each at 45, 90, and 180 degrees, plus 3/8-inch and 5/16-inch fittings. Those angles can offer routing choices around crowded areas, while four separator clamps help keep a line organized. The PTFE hose is listed with a 5/16-inch inner diameter, 3,000 psi working pressure, and -76°F to 446°F operating range. The supplied details differ on hose length, so plan using verified package information.

Skip it if you need an unambiguous hose length before planning the route; YYSSFM lists 20 feet consistently, while this listing gives conflicting figures.

This kit suits an installer who wants multiple fitting angles and separator clamps for a compact LS or EFI route. Resolve the listing’s conflicting length details before relying on a specific hose run.

Listed on Amazon as: 6AN PTFE Fuel Line Kit 20FT Black, AN6 E85 Nylon Braided Fuel Hose for LS Swap EFI, Includes 18PCS Hose Fittings 4 Clamps

#10

10. EVIL ENERGY 8AN PTFE Kit

• Weight: 2.37 kg

Best for: Longer 8AN routing runs.

Why it ranks #10: Explicitly lists LS swap EFI use and supplies 30 feet of 8AN PTFE hose, but its larger 8AN size may not suit a setup planned around 6AN lines.

A 30-foot 8AN PTFE hose gives this EVIL ENERGY kit more listed length than a compact line package, with a 13/32-inch bore for a larger-hose setup. Its stated compatibility with automotive fuels, lubricants, and coolants broadens its use beyond fuel plumbing alone.

The 8AN hose measures 13/32 inch inside and 0.55 inch outside, details that help plan routing space and connections. At 30 feet, it offers length for extended runs, while the PTFE line is rated for -76°F to 446°F and 1,500 psi working pressure. Its listed fluid compatibility includes automotive fuels, lubricants, and coolants. Because this is 8AN rather than 6AN, it suits systems planned around that larger connection size.

Skip it if you need 6AN connections for your planned system; BOMLING’s kit uses 6AN hose and offers multiple fitting angles.

Choose this kit for an LS or EFI project routed around 8AN connections that benefits from a 30-foot line. Its hose size is the central fit boundary, and its stated working limit is 1,500 psi.

Listed on Amazon as: EVIL ENERGY 8AN PTFE Fuel Line Kit, E85 Stainless Steel Braided PTFE Fuel Hose 30FT AN8 LS Swap EFI Fuel Line Fitting Kit