HOLLEY EFI 558-214 Injector Harness 090127719084

( Brand: Holley Efi ), ( Part Type: Injector Harness ), ( UPC: 090127719084 ), ( Manufacturer Part Number: 558-214 )

Review HOLLEY EFI Injector Harness Early Truck

The Holley EFI 558-214 Injector Harness is a high-performance electrical wiring solution designed specifically for Holley Electronic Fuel Injection systems. This harness is engineered to provide a reliable and easy-to-install connection between the EFI system and the fuel injectors in your application.

The 558-214 harness includes eight individual injector circuits, each capable of delivering up to 12 amps of current. These circuits are equipped with heavy-duty, 18-gauge wiring to ensure adequate power delivery and minimize voltage drop. The wiring is also color-coded for easy identification and installation.

The harness features a modular design, allowing for easy customization based on your specific fuel injection setup. The individual injector connectors can be easily disconnected and rearranged as needed, making it an ideal solution for applications with multiple fuel injector configurations.

The Holley EFI 558-214 Injector Harness is also designed with durability in mind. The wiring is protected by a high-quality, abrasion-resistant, and UV-resistant jacket, ensuring that it can withstand the rigors of automotive use. The connectors are also sealed to prevent moisture intrusion and protect against corrosion.

Installation of the 558-214 harness is straightforward and can be completed in a short amount of time. The harness comes with clear and concise instructions, making it easy for even the most novice of DIYers to install. Additionally, all necessary hardware is included with the harness, eliminating the need for additional purchases.

In summary, the Holley EFI 558-214 Injector Harness is a high-performance, reliable, and customizable solution for connecting your Holley EFI system to your fuel injectors. Its heavy-duty wiring, modular design, and durable construction make it an ideal choice for both street and racing applications.

Holley EFI 558-214 injector harness is a popular choice for vehicle owners using Holley Electronic Fuel Injection systems. Here are some pros and cons of buying this injector harness:

1. Designed specifically for Holley EFI systems, ensuring compatibility and reliability.

2. High-quality wiring and connectors to prevent electrical issues and ensure proper fuel delivery.

3. Easy-to-install design with color-coded wires for simple identification and connection.

4. Durable construction to withstand harsh operating conditions.

5. Includes all necessary injector wiring, making it a complete solution for many applications.

1. May not be compatible with non-Holley EFI systems, limiting its versatility.

2. More expensive than some aftermarket or OEM harnesses due to the high-quality materials and brand reputation.

3. May require additional wiring for specific vehicle applications, which could add to the overall cost.

The Holley EFI 558-214 injector harness is a reliable and high-quality solution for those using Holley EFI systems. While it may be more expensive than some alternatives, its durability, ease of installation, and compatibility make it a worthwhile investment for many vehicle owners.

If you are using a Holley EFI system and require a new or replacement injector harness, the Holley EFI 558-214 injector harness is an excellent choice due to its reliability, ease of installation, and compatibility with the system. However, if you are not using a Holley EFI system, you may want to consider alternative harnesses that are more versatile and cost-effective for your specific application.

part # 558214 prices

• $280.95-$295.96

specifications injectiopug:

• brand: Holley Efi
• part type: Injector Harness
• upc: 090127719084
• manufacturer part number: 558-214

seller injectiopug:

• rating: 99.0%
• # reviews: 15206

offer injectiopug:

• quantity: 10
• options: Ship-to-home
• availability: In Stock
• started: July 6, 2025
• sold: 0

payments injectiopug:

• credit card: Diners-club
• wallet: Paypal
• other

shipping injectiopug:

• service: UPS Ground
• transit: 3-6 Days
• cost: $0.00
• class: Standard
• carrier: UPS
• type: Fixed

returns injectiopug:

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

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

Holley Efi 558-214 Is Similar To:

• Holley Efi 534-244 Ls Billet Fuel Rails Truck Intakes Open Box Missing Hardware (39.1% similar) $233.95–$236.27. (September 20th, 2024)
• Holley Efi 12-851 Vr Series Fuel Pressure Regulator 2-port Adjustable High (35.8% similar) $449.95–$460.95. (September 30th, 2024)
• Holley 534-245 Aluminum Billet Fuel Rail Kit Truck Intake For Gm Ls1/ls2/ls6 (30.4% similar) $205.00–$349.95. (January 3rd, 2025)
• Holley Efi 534-103 Fuel Injector And Insulator Retainer Kit - (52.7% similar) $35.95. (January 6th, 2025)
• Holley 557-200 Efi 3 Port Boost Control Solenoid Valve (38.8% similar) $186.95–$221.75. (January 13th, 2025)
• Holley 522-241 Fuel Injector Gas (56.8% similar) $127.70. (February 18th, 2025)
• Holley 558-452 - Can Adapter Harness 4ft Male To Female (57.7% similar) $28.50–$59.55. (February 22nd, 2025)
• Holley Efi 558-418 Gen Iii Hemi Drive-by-wire Harness - Late Pedal (57.4% similar) $255.95–$277.39. (March 11th, 2025)
• Holley Efi 300-685bk 105mm Throttle Body Adapter Billet Black Finish (30.8% similar) $104.95. (March 16th, 2025)
• Holley Efi 534-209 Ls Hi-flow Fuel Rails Ls1 Ls2 Ls3 Ls6 And L99 Factory Intakes (35.7% similar) $149.99–$256.31. (March 17th, 2025)
• Holley Efi 300-676bk 105mm Throttle Body Adapter Cast Black Finish (31.3% similar) $52.95. (March 29th, 2025)