My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Russell Performance 640803 GM TBI Carburetor Fuel Adapter Fitting

Part of: Russell Performance ProClassic Carburetor Adapter Fittings

Other options in this family: Russell Performance 640820 Russell Performance 640610 Russell Performance 640600 Russell Performance 640381 Russell Performance 640203

Manufacturer

Picture for manufacturer Russell Performance

Part Number

640803
7 reviews
Sale Price

$19.95

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Russell Performance 640803 is a precision-engineered adapter fitting designed specifically for GM Throttle Body Injection (TBI) systems. This specialty fuel adapter allows you to connect Russell performance fuel lines to GM TBI applications, providing a reliable interface between modern fuel delivery systems and your engine.

Key Features:

  • Precision machined aluminum construction ensures accurate thread engagement and long-lasting durability
  • Lightweight design reduces overall system weight without sacrificing strength
  • 37-degree sealing angle provides a positive, leak-free seal at maximum operating pressures
  • Engineered to work seamlessly with Russell performance hose and hose ends
  • Anodized finish resists corrosion and provides a professional appearance

Russell adapter fittings are essential components for custom fuel system builds, allowing you to adapt between different thread types and configurations. This GM TBI adapter is ideal for street performance, racing, and restoration projects where reliable fuel delivery is critical.

Products specifications

Fitting Angle

Straight

Fitting Attachment 1

Male threads

Fitting Attachment 2

Male threads

Fitting Finish

Black anodized

Fitting Size 1

-6 AN

Fitting Size 2

12mm x 1.25 O-ring

Quantity

Sold individually.

Size

-6 to 12mm x 1.25

Style

Reusable

Potential Risk Primary Chemical

Lead

Fitting Size

-6AN Male x 12mm x 1.25

Material

Aluminum

Angle

Straight

Fitting Type

Adapter

Color

Black

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.

Order arrived 1 day sooner than expected with correct components. Did get multiple duplicate e-mails confirming order but when I e-mailed customer service to make sure my order was correct and charged appropriately they replied within a few hours. Overall I was pleased with price and service.

Quick and easy

Excellent experience. Shipped when they said it would ship. Very good web site to navigate through.<br>Thank you, Autoplicity

Found the best price and was pleasantly surprised by the speed of shipping. No tracking info up front, but customer service was able to provide and was very friendly. Buy with confidence and don't look back!

thanks

Best price around, very fast shipping and great service! I will buy from them again!

It took a day or two for them to ship my order, but it arrived quickly once shipped. The price was by far the best available.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy