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Jaw-dropping Holley Efi 561-100 Spark Plug Wire Set; Fits W/shorty Headers; 45 Degree; Black; Twin Pack [qF9CKQo7]

$31.99 $102.99 -69%

Holley EFI 561-100 Spark Plug Wire SetIntroducing the Holley EFI 561-100 Spark Plug Wire Set, a premium solution designed for GM LS engines. This set is engineered to provide optimal performance and reliability, ensuring your engine operates at its b

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Jaw-dropping Holley Efi 561-100 Spark Plug Wire Set; Fits W/shorty Headers; 45 Degree; Black; Twin Pack [qF9CKQo7]

Holley EFI 561-100 Spark Plug Wire Set

Introducing the Holley EFI 561-100 Spark Plug Wire Set, a premium solution designed for GM LS engines. This set is engineered to provide optimal performance and reliability, ensuring your engine operates at its best. With its universal fitment and cutting-edge features, this spark plug wire set is a must-have for any performance enthusiast.
  • Universal Fitment: Compatible with GM LS engines, this set offers versatility and convenience.
  • Customizable Length: The extra-long 8.2mm wire allows you to cut the wire to the desired length for a perfect fit.

Product Specifications and Technical Details

The Holley EFI 561-100 Spark Plug Wire Set is built to the highest standards, offering exceptional performance and durability. Key specifications include:
  • 8mm Wire Size: The 8mm wire size ensures low resistance and high noise suppression.
  • 45 Degree Angle: The 45-degree angle design fits with shorty headers, preventing burns and misfires.
The set also includes both socket-style and spark plug-style boots and terminals, providing flexibility for various installation needs.

Practical Uses and Benefits

Whether you're a professional mechanic or a weekend warrior, the Holley EFI 561-100 Spark Plug Wire Set is an essential tool for your engine's performance. Here are some practical uses and benefits:
  • Enhanced Performance: The low resistance and high noise suppression contribute to improved engine performance and efficiency.
  • Customization: The ability to cut the wire to the desired length ensures a perfect fit for your specific engine setup.
This set is ideal for both emissions-controlled vehicles and racing use only vehicles, making it a versatile choice for any enthusiast.

What Our Customers Say

January 16, 2026

Absolutely no complaints!

It performs beautifully without fail.

- Noa A..

January 16, 2026

Absolutely no complaints!

A very good product for its low price.

- Valerie F..

January 16, 2026

Absolutely no complaints!

It’s a very clever and practical solution.

- Everly W..

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