As an Amazon Associate I earn from qualifying purchases.



Connect 3/8" tube to -6 AN Male ends. Black anodized finish assure positive sealing and come in a corrosion-resistant finish. Tightness & corrosion resistancemanufactured to exacting standards for tight, leak-free connections. Hardline fitting & standard parts: only compatible with hard tube.

Material: made of aluminum alloy 6061-T6, anodized black surface. Evil energy provide this product 3-month warranty. Sealing:the an side of the flare is sealed by a 37 degree angle and the NPT thread side is sealed by a 60 degree tapered threads.




Whether they're manifolds, superchargers, nitrous systems, or carburetors, fuel injection systems, cylinder heads, you can rest assured that the final product was directly influenced by the passion for performance that is an integral part of our Edelbrock team.
Every product we design and sell at Edelbrock is tested and approved by Edelbrock engineers in a real world environment on state-of-the-art equipment.

1. ICT Billet
#ad
ICT Billet 6an Male Flare to 5/8-18 Inverted Flare Power Steering Adapter Fitting Thread Connector Fluid Designed & Manufactured in the USA Bare Aluminum F06AN625IF
#adICT Billet #ad - 37 degree flare fitting automotive standard. Machined aluminum finish. See thread chart photo in this listing to identify your fitting size. Commonly used for making custom power steering lines. Made in wichita, kansas from aerospace grade, USA produced, billet aluminum.More information #ad
Brand | ICT Billet #ad |
Manufacturer | ICT Billet #ad |
Part Number | F06AN625IF |
More information #ad
2. EVIL ENERGY
#ad
EVIL ENERGY 6AN Male to 5/8 x 18 Inverted Flare Thread Adapter Fittings Aluminum Straight Black
#adEVIL ENERGY #ad - Size thread size of 6an male coupler is 5/8 x 18 UNF. Seal the 6an flare is sealed at a 37 degree angle. Material made of aluminum alloy 6061-T6, anodized black surface. Warranty evil energy provide this product 3-month warranty, any problem you might have, please feel free to contact us via Amazon message.More information #ad
Application this adapter is suitable for connecting oil/fuel/water/fluid/coolant/gas lines, widely used in fuel line/fuel pump/transmission cooler fittings etc.Brand | EVIL ENERGY #ad |
Manufacturer | Speedwow Tuning #ad |
Part Number | EV01870S2BK |
Model | EV01870S2BK |
More information #ad
3. EVIL ENERGY
#ad
EVIL ENERGY 6AN Female Flare to 3/8" Fuel Hardline Tube Fitting Adapter Aluminum Black Straight
#adEVIL ENERGY #ad - Size: 6an to 3/8 inch, the thread size of the 6an is 9/16UNF. It's fits to 3/8" OD hardline, please measure before perchase. Fuel hardline fitting: Only compatible with hard tube. Maximum working pressure: 4000psi, Working temperature: -65°F to 252°F.More information #ad
Application: this 3/8 hardline to 6an fitting is widely used in Brake System / Oiling System / Air & Fuel Delivery/ Engine Modification / Cooling System. Material: made of aluminium alloy fitting and brass ferrule.Brand | EVIL ENERGY #ad |
Manufacturer | Speedwow Tuning #ad |
Part Number | EV01822S1BK |
More information #ad
4. CNRAQR
#ad
CNRAQR 6AN Male Flare to 3/8" Fuel Hardline Tube Fitting Adapter Connector Aluminum Alloy Black Anodized 2Pcs
#adCNRAQR #ad - Aircraft grade material: 6 an male flare thread 9/16-18 to 3/8 inch tube hose fitting connector with brass insert Lightweight 6061-T6 cnc machined billet aluminum black anodized Black anodized finish.Connect 3/8" tube to -6 AN Male ends. Black anodized finish assure positive sealing and come in a corrosion-resistant finish. Tightness & corrosion resistancemanufactured to exacting standards for tight, leak-free connections. Hardline fitting & standard parts: only compatible with hard tube.
More information #ad
Wide range of applications: this 3/8 hardline to 6an fitting is widely used in Brake System / Air & Fuel Delivery/ Engine Modification / Oiling System / Cooling System. Working pressure & temperaturemaximum working pressure: 4000psi, Working temperature: -65°F to 252°F. 6an to 3/8 inch, the thread size of the 6AN is 9/16UNF. It's fits to 3/8" OD hardline, please measure before perchase.Brand | CNRAQR #ad |
Manufacturer | CNRAQR #ad |
Weight | 0.09 Pounds |
More information #ad
5. EVIL ENERGY
#ad
EVIL ENERGY 6AN Male Flare to 3/8" NPT Pipe Fitting Adapter Aluminum Straight Black
#adEVIL ENERGY #ad - Size: an6 to 3/8 npt, the thread size of 6AN is 9/16-18UNF. 3/8 npt to 6an fitting can be used with various engine oils, transmission oil, water, E85, coolant, air, alcohol, methanol, etc.Material: made of aluminum alloy 6061-T6, anodized black surface. Evil energy provide this product 3-month warranty. Sealing:the an side of the flare is sealed by a 37 degree angle and the NPT thread side is sealed by a 60 degree tapered threads.
More information #ad
To ensure no leakage at the NPT end, sealant or PTFE polytetrafluoroethylene tape is strongly recommended. Any problem you might have, please feel free to contact us via Amazon message.Brand | EVIL ENERGY #ad |
Manufacturer | Speedwow Tuning #ad |
Part Number | CS00272S0606 |
More information #ad
6. ICT Billet
#ad
ICT Billet Straight -6AN Flare Male to 3/8" NPT Taper Pipe Thread Adapter Fitting 6 AN Black Anodized Billet Aluminum Plumbing Port Fluid Made in America F06AN375NP
#adICT Billet #ad - Use these fittings to adapt a -6 AN hose end to a 3/8" NPT taper thread port. Machined aluminum finish. Made in wichita, kansas from aerospace grade, USA produced, billet aluminum. See thread chart photo in this listing to identify your fitting size. 37 degree flare fitting automotive standard.More information #ad
Brand | ICT Billet #ad |
Manufacturer | ICT Billet #ad |
Part Number | CA-F06AN375NP |
Model | . |
More information #ad
7. AC PERFORMANCE
#ad
Black, AC PERFORMANCE Aluminum -6AN AN6 Male Flare to 5/8 x 18 Male Thread Inverted Seat Adaptor Fittings Male Inv Flare Connector
#adAC PERFORMANCE #ad - These adaptors and allow easy connection of AN male fittings to applications where the fitting is required to seal on the inverted seat. Surface treatment: black anodized finish for long last, durability and strength.More information #ad
Designed to ensure the reliability required in a high pressure steering system. Manufactured from high performance lightweight 6061-T6 cnc machined billet aluminum. Measures jic -6 an 9/16-18 male flare to male thread 5/8" x 18 inverted, black.Brand | AC PERFORMANCE #ad |
Manufacturer | FOURAGE #ad |
Height | 0.6 Inches |
Length | 1.6 Inches |
Weight | 0.04 Pounds |
Width | 0.6 Inches |
Part Number | AN816-6-5818INV_SLE |
Model | AN816-6-5818INV_SLE |
More information #ad
8. EVIL ENERGY
#ad
EVIL ENERGY Male 6AN to 3/8" Hardline Tube Fuel Fitting,3/8 Inch to AN6 Compression Adapter Aluminum
#adEVIL ENERGY #ad - Application Only applicable to stainless steel or aluminum hardline. Size the thread size of 6an is 9/16-18 unf, It's fits to 3/8" OD hardline, please measure before perchase. Material made of aluminium alloy fitting and brass ferrule.More information #ad
Work parameter max working pressure: 4000PSI. Working temperature range: -65°F to 252°F. Warranty evil energy provide this product 3-month warranty. Any problem you might have, please feel free to contact us via Amazon message.Brand | EVIL ENERGY #ad |
Manufacturer | Speedwow Tuning #ad |
Part Number | EV01823S1BK |
More information #ad
9. Edelbrock
#ad
Russell 640380 -6AN to 5/8"-18 Inverted Flare
#adEdelbrock #ad - Fit type: Vehicle Specific. In a day and age where we are seeing more products sent overseas to be manufactured, Edelbrock sees value in the quality control of American manufacturing by American workers and we are proud of our casting and manufacturing facilities.Whether they're manifolds, superchargers, nitrous systems, or carburetors, fuel injection systems, cylinder heads, you can rest assured that the final product was directly influenced by the passion for performance that is an integral part of our Edelbrock team.
More information #ad
Edelbrock facilities have earned the world recognized ISO 9001: 2008 registration for quality. Edelbrock's r&d staff is not only well qualified at their respective positions, or an engine, but they're also automotive enthusiasts who do more than work in the automotive aftermarket - they live it - and it's at that point where understanding the inner workings of a supercharger, EFI system becomes second nature. Every product we design and sell at Edelbrock is tested and approved by Edelbrock engineers in a real world environment on state-of-the-art equipment.
Brand | Edelbrock #ad |
Manufacturer | Russell #ad |
Height | 1.8 Inches |
Length | 5.9 Inches |
Weight | 0.07 Pounds |
Width | 2.5 Inches |
Part Number | RUS-640380 |
Model | 640380 |
Warranty | Edelbrock, LLC shall not be liable for any and all consequential damages occasioned by the breach of any written or implied warranty pertaining to this sale in excess of the purchase price of the product sold. |
More information #ad
10. K-MOTOR PERFORMANCE
#ad
ORB O-ring to Flare Male Adapter, 6AN Fitting
#adK-MOTOR PERFORMANCE #ad - Black anodized - solid & Quality Fitting - Designed for High Flow. Package includes: 1 Piece Fitting with O'ring Seal. Suitable for oil fuel, coolant, water, Air, Gas, - E85 Compatible. O-ring to flare - ORB Boss. 6an to 6an Fitting.More information #ad
Brand | K-MOTOR PERFORMANCE #ad |
Manufacturer | K-MOTOR PERFORMANCE #ad |
Part Number | 6AN-FITTING-ORB |
Model | 6AN-FITTING-ORB |
Warranty | Manufacturer Warranty 90 days after delivery date |
More information #ad