RUSSELL 640863 Push Fuel Fitting Male Hardline 087133922584 6 5/16

( Brand: Russell ), ( Part Type: Fuel Fitting ), ( Color: Black ), ( Manufacturer Part Number: 640863 ), ( UPC: 087133922584 ), ( California Prop 65 Warning: This Product Contains A Chemical Known To The State Of Cal. ), ( Performance Part: Yes )

Review RUSSELL Push On Fuel Fitting Male To 5/16 Inch Hardline fits LT1 LT4 LS1 EFI

Introducing the Russell Performance 640863 Push-EFI Fuel Fitting, a high-performance component designed specifically for use with hardline fuel systems in select General Motors applications including LT1, LT4, and LS1 engines. This fuel fitting is engineered to deliver precise fuel delivery, ensuring optimal engine performance.

The Russell 640863 is a male fitting with a 5/16-inch OD (Outside Diameter) connection, making it an ideal replacement or upgrade for factory fuel lines. It is constructed from robust materials, including 304 stainless steel, which is known for its superior strength and resistance to corrosion, ensuring long-lasting durability. The fitting's push-connect design allows for easy installation and removal, with a secure, leak-free connection achieved through the use of O-rings.

This fuel fitting is specifically designed for use with EFI (Electronic Fuel Injection) systems, ensuring the precise metering and delivery of fuel to the engine. It is engineered to meet the stringent demands of high-performance applications, offering improved flow rates and increased fuel pressure capabilities compared to factory components.

The Russell 640863 Push-EFI Fuel Fitting is an essential upgrade for any enthusiast looking to maximize the performance of their LT1, LT4, or LS1 engine. Its robust construction, push-connect design, and compatibility with EFI systems make it an ideal choice for those seeking dependable, leak-free fuel delivery in their high-performance application. Upgrade your fuel system today with the Russell Performance 640863 Push-EFI Fuel Fitting.

Pros and Cons of buying a Russell 640863 Push-EFI Fuel Fitting for LT1, LT4, and LS1 Engines

This analysis will examine the benefits and drawbacks of purchasing a Russell 640863 Push-EFI Fuel Fitting for LT1, LT4, and LS1 engines.

1. High-Quality Material: This fuel fitting is manufactured using braidless, PTFE-lined, and reinforced materials, ensuring durability and resistance to fuel and coolant.

2. Leak-Free Connection: The push-fit design provides a secure, leak-free connection, eliminating the need for hose clamps or additional sealing methods.

3. Easy Installation: With no need for special tools or excessive tightening, installation is quick and straightforward.

1. Limited Compatibility: This fuel fitting is specifically designed for LT1, LT4, and LS1 engines. It may not be suitable for other engine types or applications.

2. Higher Price Point: Compared to some other fuel fittings on the market, the Russell 640863 is priced at a premium due to its high-quality materials and design.

The Russell 640863 Push-EFI Fuel Fitting offers several advantages, including its leak-free connection, easy installation, and high-quality materials. However, its limited compatibility and higher price point are important considerations.

If you are in the market for a fuel fitting for an LT1, LT4, or LS1 engine and are prioritizing durability, ease of installation, and a leak-free connection, the Russell 640863 Push-EFI Fuel Fitting is a solid choice. However, if you require a more affordable option or need compatibility with a different engine type, it may be worth exploring other alternatives.

part # 640863 prices

• $19.95-$21.71

specifications fuelperforma:

• for models: Lt1, Lt4, Ls1, Efi
• brand: Russell
• part type: Fuel Fitting
• color: Black
• manufacturer part number: 640863
• upc: 087133922584
• california prop 65 warning: This Product Contains A Chemical Known To The State Of Cal.
• performance part: Yes

payments fuelperforma:

• credit card: Mastercard
• wallet: Google-pay
• other

seller fuelperforma:

• # reviews: 103
• rating: 100.0%

general fuelperforma:

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

offer fuelperforma:

• quantity: 2
• sold: 0
• started: June 19, 2025
• options: Ship-to-home
• best offers: True
• availability: In Stock

shipping fuelperforma:

• type: Calculated
• cost: $0.00
• transit: 5-11 Days
• class: Standard
• carrier: FedEx
• service: FedEx Ground or FedEx Home Delivery

returns fuelperforma:

• policy: No Returns

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