Holley EFI HP EFI Sub-Harnesses — Smart Coil Ignition Wiring

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SKU: GVMR_558-312
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Seamless Smart Coil Integration for Holley HP/Dominator EFIEnsure flawless communication ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Seamless Smart Coil Integration for Holley HP/Dominator EFI

Ensure flawless communication between your Smart Coils and Holley HP or Dominator EFI system with the Holley EFI HP EFI Smart Coil Sub-Harness. This specialized ignition wiring harness is meticulously designed to provide a direct, reliable connection, eliminating guesswork and potential wiring errors. It's a critical component for anyone running a high-performance ignition setup with Smart Coils, guaranteeing that your EFI system receives accurate signals for precise spark timing and optimal engine efficiency.

Engineered for Performance Ignition

  • Direct Compatibility: Specifically designed for Holley HP and Dominator EFI systems.
  • Smart Coil Ready: Provides dedicated connections for Smart Coils, ensuring proper function.
  • Optimized Signal Integrity: High-quality wiring maintains signal strength for consistent ignition performance.
  • Simplified Installation: Reduces wiring complexity, making setup quicker and more reliable.
  • Universal Application: Adaptable for various engine configurations using Smart Coils with Holley EFI.

This sub-harness is more than just a set of wires; it's an integral part of your engine's ignition strategy. By providing a clean and secure pathway for data and power, it helps prevent misfires, improves throttle response, and contributes to overall engine stability. Whether you're building a new engine or upgrading an existing one, this harness ensures your Smart Coils and EFI system work in perfect harmony.

Product Specifications

  • Type: EFI Wiring Harness
  • Function: Smart Coil Ignition Wiring
  • Compatibility: Holley HP EFI, Holley Dominator EFI
  • Application: Universal (for Smart Coil setups)
  • Quantity: Each
  • Part Number: 558-312

Achieve peak ignition performance with the Holley EFI HP EFI Smart Coil Sub-Harness. Explore the full range of Holley EFI wiring solutions at GGCRACING.COM.

Product Details

Product Description
Part Numbers
Sizing & Fit

Seamless Smart Coil Integration for Holley HP/Dominator EFI

Ensure flawless communication between your Smart Coils and Holley HP or Dominator EFI system with the Holley EFI HP EFI Smart Coil Sub-Harness. This specialized ignition wiring harness is meticulously designed to provide a direct, reliable connection, eliminating guesswork and potential wiring errors. It's a critical component for anyone running a high-performance ignition setup with Smart Coils, guaranteeing that your EFI system receives accurate signals for precise spark timing and optimal engine efficiency.

Engineered for Performance Ignition

  • Direct Compatibility: Specifically designed for Holley HP and Dominator EFI systems.
  • Smart Coil Ready: Provides dedicated connections for Smart Coils, ensuring proper function.
  • Optimized Signal Integrity: High-quality wiring maintains signal strength for consistent ignition performance.
  • Simplified Installation: Reduces wiring complexity, making setup quicker and more reliable.
  • Universal Application: Adaptable for various engine configurations using Smart Coils with Holley EFI.

This sub-harness is more than just a set of wires; it's an integral part of your engine's ignition strategy. By providing a clean and secure pathway for data and power, it helps prevent misfires, improves throttle response, and contributes to overall engine stability. Whether you're building a new engine or upgrading an existing one, this harness ensures your Smart Coils and EFI system work in perfect harmony.

Product Specifications

  • Type: EFI Wiring Harness
  • Function: Smart Coil Ignition Wiring
  • Compatibility: Holley HP EFI, Holley Dominator EFI
  • Application: Universal (for Smart Coil setups)
  • Quantity: Each
  • Part Number: 558-312

Achieve peak ignition performance with the Holley EFI HP EFI Smart Coil Sub-Harness. Explore the full range of Holley EFI wiring solutions at GGCRACING.COM.

Product Details

Product Description

Seamless Smart Coil Integration for Holley HP/Dominator EFI

Ensure flawless communication between your Smart Coils and Holley HP or Dominator EFI system with the Holley EFI HP EFI Smart Coil Sub-Harness. This specialized ignition wiring harness is meticulously designed to provide a direct, reliable connection, eliminating guesswork and potential wiring errors. It's a critical component for anyone running a high-performance ignition setup with Smart Coils, guaranteeing that your EFI system receives accurate signals for precise spark timing and optimal engine efficiency.

Engineered for Performance Ignition

  • Direct Compatibility: Specifically designed for Holley HP and Dominator EFI systems.
  • Smart Coil Ready: Provides dedicated connections for Smart Coils, ensuring proper function.
  • Optimized Signal Integrity: High-quality wiring maintains signal strength for consistent ignition performance.
  • Simplified Installation: Reduces wiring complexity, making setup quicker and more reliable.
  • Universal Application: Adaptable for various engine configurations using Smart Coils with Holley EFI.

This sub-harness is more than just a set of wires; it's an integral part of your engine's ignition strategy. By providing a clean and secure pathway for data and power, it helps prevent misfires, improves throttle response, and contributes to overall engine stability. Whether you're building a new engine or upgrading an existing one, this harness ensures your Smart Coils and EFI system work in perfect harmony.

Product Specifications

  • Type: EFI Wiring Harness
  • Function: Smart Coil Ignition Wiring
  • Compatibility: Holley HP EFI, Holley Dominator EFI
  • Application: Universal (for Smart Coil setups)
  • Quantity: Each
  • Part Number: 558-312

Achieve peak ignition performance with the Holley EFI HP EFI Smart Coil Sub-Harness. Explore the full range of Holley EFI wiring solutions at GGCRACING.COM.

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