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  3. RUSSELL PERFORMANCE 640690

RUSSELL PERFORMANCE 640690 Adapter Fitting Npt Disc 087133925561 3/8IN

fits model: Efi.

640690 Russell Performance Efi Adapter Fitting 3/8 Npt To 3/8in Sae Quick Disc

( Brand: Russell Performance ), ( Manufacturer Part Number: 640690 ), ( Type: Auto ), ( UPC: 087133925561 )

Review RUSSELL PERFORMANCE Adapter Fitting 3/8 Npt To 3/8in Sae Quick Disc fits EFI

Introducing the Russell Performance 640690 EFI Adapter, a must-have component for any automotive enthusiast looking to upgrade their fuel system. This adapter is specifically designed for applications requiring a 3/8 NPT (National Pipe Thread) 3/8-inch inlet disc connection.

The Russell Performance 640690 EFI Adapter is engineered with precision and durability in mind. It is manufactured using high-quality materials, ensuring a long-lasting performance. The adapter features a threaded inlet connection that securely attaches to the fuel rail, providing a leak-free and reliable seal.

The adapter is designed to work seamlessly with electronic fuel injection systems, making it an ideal choice for modern vehicles. It is compatible with various types of fuel, including gasoline, methanol, and ethanol, making it a versatile addition to any fuel system.

The Russell Performance 640690 EFI Adapter is also easy to install, allowing you to get back on the road quickly. It comes with all necessary hardware, including the adapter itself, a gasket, and mounting bolts. The instructions are clear and easy to follow, ensuring a hassle-free installation process.

In summary, the Russell Performance 640690 EFI Adapter is an essential upgrade for any fuel system that requires a 3/8 NPT 3/8-inch inlet disc connection. It is engineered for durability, compatibility with various fuel types, and easy installation, making it a top choice for automotive enthusiasts seeking to enhance their vehicle's performance.

Pros and Cons of Buying a Russell Performance EFI Adapter (640690) for 3/8 NPT 3/8-inch Disc

1. Pros:

a. Compatibility: The Russell Performance EFI Adapter (640690) is designed to fit a 3/8 NPT (National Pipe Thread) and 3/8-inch disc, making it a viable option for those looking to upgrade their EFI systems and meet this specific thread requirement.

b. Improved Performance: This adapter is intended to enhance the performance of your EFI system by ensuring a secure and reliable connection between the fuel pressure regulator and the fuel rail.

c. High-Quality Material: Russell Performance is known for producing durable and reliable automotive components. The adapter is likely made of high-quality materials to ensure long-lasting performance.

2. Cons:

a. Cost: The Russell Performance EFI Adapter (640690) may come at a higher cost compared to other aftermarket options or OEM parts. This could be a disadvantage for those on a tight budget.

b. Installation Complexity: Installing the adapter might require some level of mechanical expertise, especially if you are not familiar with EFI systems or thread connections.

c. Potential Compatibility Issues: While the adapter is designed for 3/8 NPT and 3/8-inch disc, it's essential to confirm that it is compatible with your specific vehicle make, model, and engine before purchasing.

In conclusion, the Russell Performance EFI Adapter (640690) offers improved performance and compatibility, but it may come at a higher cost and requires some mechanical expertise for installation. If you are confident in your mechanical abilities, and the adapter is compatible with your vehicle, the benefits of enhanced performance and a reliable connection could outweigh the investment.

Recommendation: Before purchasing the Russell Performance EFI Adapter (640690), ensure it is compatible with your vehicle, and consider your budget and mechanical expertise. If these factors align, the adapter could be an excellent choice for improving your EFI system's performance.

part # 640690 prices

  • $15.49-$35.42

specifications fuelperforma:

  • for models: Efi
  • brand: Russell Performance
  • manufacturer part number: 640690
  • type: Auto
  • upc: 087133925561

payments fuelperforma:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other

shipping fuelperforma:

  • transit: 4-6 Days
  • class: Standard
  • cost: $0.00
  • type: Fixed
  • service: Standard

general fuelperforma:

  • Auto Permance Parts > Fuel Systems > Hoses, Lines Fittings
  • condition: New

returns fuelperforma:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

offer fuelperforma:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • started: October 19, 2025

seller fuelperforma:

  • rating: 99.3%
  • # reviews: 12756
for models: efi, type: auto,
category: auto parts > fuel systems > hoses, lines fittings, sku: 6645672566104751,

Russell Performance 640690 Is Similar To:

fuelperforma logo
5 offers $15.49–$35.42 USD
  • Offer #1: $21.99 price + free delivery = $21.99* total.FREE SHIPPING
  • Offer #2: $35.42 price + free delivery = $35.42* total. Fitting Type: Quick Disconnect.FREE SHIPPING
  • Offer #3: $15.49 price + $17.99 delivery = $33.48* total. Fitting A End 1 Style: Male. Manufacturer Part Number.+$17.99 shipping
  • Offer #4: $18.48 price + $11.95 delivery = $30.43* total. Russell Efi Adapter Fitting; Efi Adapter Fitting 3/8 Npt Male To 3/8" Sae Quick Disconnect Male Clear Zinc Finish;.+$11.95 shipping
  • Offer #5: $30.99 price + free delivery = $30.99* total. RUSSELL.FREE SHIPPING