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Russell Performance 660421 Straight Flare to Pipe Adapter Fitting

Part of: Russell Performance Adapter Fittings

Other options in this family: Russell Performance 660480 Russell Performance 670523 Russell Performance 660450 Russell Performance 670710 Russell Performance 660820

Manufacturer

Picture for manufacturer Russell Performance

Part Number

660421
9 reviews
Sale Price

$6.73

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Russell Performance 660421 is a straight flare to pipe adapter fitting engineered for high-performance fuel systems. This precision-machined aluminum fitting provides a reliable connection between flare-style fuel lines and NPT pipe threads, making it ideal for custom fuel injection setups and performance applications.

Key Features:

  • Precision CNC machined from lightweight aluminum for exact thread engagement and durability
  • 37-degree flare sealing angle ensures positive, leak-free seal at maximum operating pressures
  • Fully compatible with all Russell performance hose and hose ends for seamless system integration
  • Available in multiple anodized finishes including blue, black, and Endura for corrosion resistance and custom appearance
  • Designed for automotive, marine, and powersports fuel system applications

Russell adapter fittings are the professional choice for builders who demand reliable, high-quality fuel system components that perform under extreme conditions.

Products specifications

AN Attachment Type

Male threads

AN Size

-4

Finish

Endura

Fitting Angle

Straight

Fitting Attachment 1

Male threads

Fitting Attachment 2

Male threads

Fitting Finish

Nickel plated

Fitting Size 1

-4 AN

Fitting Size 2

1/8 in. NPT

NPT Attachment Type

Male threads

NPT Size

1/8 in.

Quantity

Sold individually.

Size

-4 AN to 1/8" NPT

Fitting Type

Flare to Pipe

Style

Reusable

Material

Aluminum

Fitting Size

-4AN x 1/8 in. NPT

Potential Risk Primary Chemical

Lead

Angle

Straight

Fitting Type

Adapter

Color

Endura

RGL

WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

Great service! A+++++++++

Great

Great price and super fast shipping.

I just finished a transaction with this company and decided to write my very first post, based upon my experience with them. To be honest, a few short hours ago I was wary of how this would turn out. There had been a miscommunication with shipping and it started to go down hill. Lo and behold, something happened that is rare today. The company, from top to bottom put all of their efforts together, communicated with me even during a Holiday and rectified the situation. Not only would I recommend Autoplicity to others but implore potential customers to use them confidently. Their work ethics and customer service is top notch and I am very grateful for my renewed trust that there is more than just big box, fast food companies out there. Thank you again!!

excellent ship time and exceptional pricing deffinatly will buy from here again

Wow it was shipped so quickly it arrived the next day. Will be ordering again.

so far so good every thing was just as it should be - good work

Very cheap prices compared to most other performance markets.

I bought the Tacoma Tail gate Pop & Lock PL8521. The product came new in retail box as described and worked right out the box. Shipped the next day with tracking information. Great communication... Cheapest price available...Thanks....

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