HOLLEY HLY-558-201 Performance Lsx Injector Harness

( Brand: Holley ), ( Type: Fuel Injector Wiring ), ( Manufacturer Part Number: HLY-558-201 ), ( Universal Fitment: No ), ( Performance Part: Yes )

Review HOLLEY Performance Lsx Injector Harness

The Holley HLY-558-201 Performance LSX Injector Harness is a high-performance solution designed specifically for LSx engine applications seeking improved fuel delivery and system functionality. This harness is engineered to work with Holley's 4-corner and 8-corner EFI systems, making it an essential component for serious enthusiasts and racers looking to optimize their fuel injection setup.

This harness features a robust design with heavy-duty, 12-gauge wiring throughout. The wiring is covered with a protective, abrasion-resistant, and heat-resistant Teflon insulation to ensure the harness can withstand the rigors of high-performance applications. Each injector circuit is individually fused to protect against short circuits and ensure consistent power delivery to the injectors.

The Holley HLY-558-201 Performance LSX Injector Harness includes eight injector circuits, each capable of handling up to 125 amps of current. The harness comes with eight 52mm Holley high-impedance fuel injectors, ensuring optimal performance and reliability. The harness also includes a wiring harness for the fuel pressure regulator, making it a complete fuel system solution for LSx engine applications.

The harness is plug-and-play, making installation easy and straightforward. It includes clear, color-coded wiring, making it simple to identify and connect each wire during installation. The harness also includes a wiring diagram for easy reference during the installation process.

The Holley HLY-558-201 Performance LSX Injector Harness is compatible with a wide range of LSx engine applications, including Gen I, II, III, and L92 engines. It is also compatible with both natural aspiration and forced induction applications, making it a versatile solution for various performance levels.

In summary, the Holley HLY-558-201 Performance LSX Injector Harness is a high-quality, robust, and versatile fuel system solution designed for LSx engine applications. Its heavy-duty wiring, individual fuses, and plug-and-play design make it a reliable and easy-to-install component for enthusiasts and racers seeking improved fuel delivery and system functionality.

The Holley HLY-558-201 Performance LSX Injector Harness is a popular choice for those looking to upgrade their fuel injection system in their LSX engine. Here are some pros and cons of this product to help you make an informed decision:

1. Designed specifically for LSX engines, ensuring a perfect fit and compatibility with the engine's wiring and fuel system.

2. Uses high-quality, OEM-style connectors that provide a secure and reliable connection.

3. Includes built-in fuel pressure regulator, which eliminates the need for an external regulator and simplifies the installation process.

4. Compatible with various fuel injection systems, including EFI, EFI-C, and EFI-Q, making it a versatile option for different performance applications.

5. Made with heavy-duty, 100% virgin Teflon-insulated wires that can withstand high temperatures and resist wear and tear.

1. May require some modification to the wiring harness for specific engine configurations or additional accessories.

2. The price point is relatively higher compared to some aftermarket alternatives.

3. Installation can be complex, especially for those without prior experience in fuel system installation or wiring.

Overall, the Holley HLY-558-201 Performance LSX Injector Harness is an excellent choice for those looking for a high-quality, reliable, and versatile injector harness for their LSX engine. Its compatibility with various fuel injection systems, heavy-duty construction, and built-in fuel pressure regulator make it a worthwhile investment for performance enthusiasts. However, potential buyers should be aware of the installation complexity and the higher price point compared to some alternatives.

If you're looking for a high-performance, reliable, and versatile injector harness for your LSX engine, the Holley HLY-558-201 Performance LSX Injector Harness is an excellent choice. It offers the benefits of a direct OEM replacement, compatibility with various fuel systems, and heavy-duty construction, making it a valuable addition to your performance setup. However, be prepared for a complex installation process and a higher price point compared to some alternatives. If you're unsure about the installation process or have limited experience with fuel system installation, it may be wise to seek professional help or consult with a knowledgeable mechanic to ensure a successful installation.

part # hly558201 prices

• $182.95-$206.99

specifications injectiopug:

• brand: Holley
• type: Fuel Injector Wiring
• manufacturer part number: HLY-558-201
• universal fitment: No
• performance part: Yes

offer injectiopug:

• started: November 13, 2025
• quantity: 1
• best offers: True
• availability: In Stock
• options: Ship-to-home
• sold: 0

payments injectiopug:

• credit card: Discover
• other
• wallet: Paypal

returns injectiopug:

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

general injectiopug:

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

shipping injectiopug:

• type: Calculated
• transit: 2-6 Days
• class: Standard
• cost: $11.24
• carrier: UPS
• service: UPS Ground

seller injectiopug:

• # reviews: 3246
• rating: 100.0%

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