558-310 HOLLEY Ignition Coil Harness

Review HOLLEY Ignition Coil Harness

The Holley 558-310 Ignition Coil Harness is a high-performance ignition system component designed to deliver reliable and consistent spark to your engine. This harness is specifically engineered for Holley EFI systems, ensuring a perfect fit and seamless integration with your electronic fuel injection setup.

The harness comes with two Holley 558-12 ignition coils, each capable of producing a robust 12,000 volts of primary spark energy and 35,000 volts of secondary spark energy. The coils feature a gold-plated, high-tension, center-post connector that ensures a strong and reliable connection to the distributor or ignition module.

The Holley 558-310 Ignition Coil Harness is constructed from top-quality materials, including heavy-duty, insulated wiring and high-temperature, abrasion-resistant sleeving. The wiring is color-coded for easy identification and connection to other ignition system components. The harness also includes a set of high-performance spark plug wires, each featuring a durable, high-temperature boot and a pre-installed, high-performance spark plug cap.

This ignition coil harness is designed for easy installation, with clear instructions included in the box. The harness terminals are numbered to correspond with the Holley EFI system wiring diagram, making it simple to connect the harness to the EFI system. The ignition coils can be mounted in a variety of locations, allowing for flexibility in engine bay layouts.

The Holley 558-310 Ignition Coil Harness is a must-have for any Holley EFI system user seeking a high-performance, reliable ignition system. With its robust ignition coils, heavy-duty wiring, and easy installation, this harness is an essential component for maximizing the performance of your Holley EFI system.

The Holley 558-310 ignition coil harness is a popular aftermarket option for those looking to upgrade their ignition system in their muscle car or hot rod. Here are some potential pros and cons to consider before making a purchase:

1. Compatibility: The Holley 558-310 ignition coil harness is designed to fit a wide range of applications, making it a versatile choice for many different vehicles.

2. Improved Performance: This harness is known for providing a more reliable and consistent ignition system, which can lead to improved engine performance.

3. Easy Installation: The harness is relatively easy to install, with clear instructions and straightforward connections.

4. Durability: The Holley harness is built to withstand the rigors of high-performance applications, with heavy-duty wiring and high-quality connectors.

1. Cost: Compared to some other options on the market, the Holley 558-310 ignition coil harness can be more expensive.

2. Customization: If you're looking for a highly customizable ignition system, this harness may not be the best choice. It is designed to be a plug-and-play solution.

3. Limited Features: Some higher-end ignition systems offer additional features like adjustable ignition timing or multiple spark output, which the Holley harness does not provide.

The Holley 558-310 ignition coil harness is a solid choice for those looking for a reliable and easy-to-install ignition system upgrade. Its wide compatibility and durability make it a popular option for muscle cars and hot rods. However, its cost and limited features may make it less appealing to some buyers. Ultimately, the decision to purchase this harness will depend on your specific needs and budget.

If you're looking for a dependable and easy-to-install ignition system upgrade for your muscle car or hot rod, the Holley 558-310 ignition coil harness is a great option to consider. Its compatibility with a wide range of applications and durability make it a solid investment for those seeking improved performance and reliability. However, if you're looking for a highly customizable or feature-rich ignition system, you may want to consider other options on the market.

Details:

Offers unmatched quality at an price. Strict OE requirements in fitment and functionality ensure part is reliable performance. Holley offers top-quality replacement parts for the automotive aftermarket. Its OE-standard design provides the right fit and solution to your vehicle needs.

Holley 558-310 ignition coil harness. Meticulously crafted to OE-specific standards. Holley ignition coil harnessh19558310: Holley ignition coil harness. Brand new in the box -fit and quality guaranteed.

specifications ignitioncomp:

• brand: Holley
• mpn: 558-310
• part type: Ignition Coil Harness
• anticipated ship out time: 5-6 Business Days
• fitment type: Direct Replacement
• quantity: Sold Individually
• upc: 090127688069

payments ignitioncomp:

• other
• wallet: paypal
• credit card: visa

returns ignitioncomp:

• policy: returns accepted
• paid by: seller
• time: 30 days

shipping ignitioncomp:

• transit: 3-6 days
• type: fixed
• service: standard
• class: standard

seller ignitioncomp:

• # reviews: 3339805
• city: 48 states only, USA
• rating: 97.4%

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Systems Components > Ignition Coils

offer ignitioncomp:

• prices: $160.00–$191.95
• item condition:
  • New
  • New other (see details)
• sold #: 19
• options: ship-to-home
• availability: in stock
• in stock #: 5
• started: april 27, 2025