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Holley Main EFI Wiring Harness — Fits 1999-2004 Ford Modular Engines

Holley Main EFI Wiring Harness — Fits 1999-2004 Ford Modular Engines
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Holley

Holley Main EFI Wiring Harness — Fits 1999-2004 Ford Modular Engines

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SKU: BBVL_558-108
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Essential Wiring for Your Ford Modular EngineA robust and correctly ...Read More

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$718.95 $799.95
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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
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Product Details

Product Description
Part Numbers
Sizing & Fit

Essential Wiring for Your Ford Modular Engine

A robust and correctly terminated wiring harness is absolutely paramount for the dependable operation of your Ford Modular engine's EFI system. The Holley Main EFI Wiring Harness for 1999-2004 Ford Modular Engines provides a complete, high-quality solution to replace aging factory wiring or to facilitate a new EFI installation. This harness is designed to ensure optimal signal integrity and power delivery to all critical engine components.

Premium Features for Ford Modular Reliability

  • Fully Terminated Design: This Holley main EFI harness is a fully terminated solution, ready for plug-and-play installation.
  • Seamless Integration: Designed to integrate seamlessly with your 1999-2004 Ford Modular engine, providing all necessary connections for sensors, injectors, and other critical EFI components.
  • High-Quality Construction: Utilizes automotive-grade wiring and durable connectors, built to withstand the demanding conditions of an engine bay.
  • Simplified Installation: Eliminates the need for extensive wiring modifications, saving time and reducing potential errors during installation.

Precise Fitment for Ford Modular Platforms

This harness is specifically engineered for 1999-2004 Ford Modular engines, offering a precise fit and straightforward installation. Whether you're refreshing an older build or undertaking a new project, this harness ensures a clean and efficient electrical pathway, which is vital for accurate engine control and peak performance. It's the ideal choice for maintaining or upgrading your Ford's electrical system.

Why Choose a Holley Modular Harness?

Replacing old, brittle, or damaged factory wiring is crucial for preventing costly electrical issues and ensuring reliable engine operation. This Holley harness simplifies EFI conversions and guarantees optimal signal integrity for peak engine performance and reliability. Avoid common electrical gremlins with a purpose-built, high-quality harness. Discover premium Ford performance parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Essential Wiring for Your Ford Modular Engine

A robust and correctly terminated wiring harness is absolutely paramount for the dependable operation of your Ford Modular engine's EFI system. The Holley Main EFI Wiring Harness for 1999-2004 Ford Modular Engines provides a complete, high-quality solution to replace aging factory wiring or to facilitate a new EFI installation. This harness is designed to ensure optimal signal integrity and power delivery to all critical engine components.

Premium Features for Ford Modular Reliability

  • Fully Terminated Design: This Holley main EFI harness is a fully terminated solution, ready for plug-and-play installation.
  • Seamless Integration: Designed to integrate seamlessly with your 1999-2004 Ford Modular engine, providing all necessary connections for sensors, injectors, and other critical EFI components.
  • High-Quality Construction: Utilizes automotive-grade wiring and durable connectors, built to withstand the demanding conditions of an engine bay.
  • Simplified Installation: Eliminates the need for extensive wiring modifications, saving time and reducing potential errors during installation.

Precise Fitment for Ford Modular Platforms

This harness is specifically engineered for 1999-2004 Ford Modular engines, offering a precise fit and straightforward installation. Whether you're refreshing an older build or undertaking a new project, this harness ensures a clean and efficient electrical pathway, which is vital for accurate engine control and peak performance. It's the ideal choice for maintaining or upgrading your Ford's electrical system.

Why Choose a Holley Modular Harness?

Replacing old, brittle, or damaged factory wiring is crucial for preventing costly electrical issues and ensuring reliable engine operation. This Holley harness simplifies EFI conversions and guarantees optimal signal integrity for peak engine performance and reliability. Avoid common electrical gremlins with a purpose-built, high-quality harness. Discover premium Ford performance parts at GGCRACING.

Product Details

Product Description

Essential Wiring for Your Ford Modular Engine

A robust and correctly terminated wiring harness is absolutely paramount for the dependable operation of your Ford Modular engine's EFI system. The Holley Main EFI Wiring Harness for 1999-2004 Ford Modular Engines provides a complete, high-quality solution to replace aging factory wiring or to facilitate a new EFI installation. This harness is designed to ensure optimal signal integrity and power delivery to all critical engine components.

Premium Features for Ford Modular Reliability

  • Fully Terminated Design: This Holley main EFI harness is a fully terminated solution, ready for plug-and-play installation.
  • Seamless Integration: Designed to integrate seamlessly with your 1999-2004 Ford Modular engine, providing all necessary connections for sensors, injectors, and other critical EFI components.
  • High-Quality Construction: Utilizes automotive-grade wiring and durable connectors, built to withstand the demanding conditions of an engine bay.
  • Simplified Installation: Eliminates the need for extensive wiring modifications, saving time and reducing potential errors during installation.

Precise Fitment for Ford Modular Platforms

This harness is specifically engineered for 1999-2004 Ford Modular engines, offering a precise fit and straightforward installation. Whether you're refreshing an older build or undertaking a new project, this harness ensures a clean and efficient electrical pathway, which is vital for accurate engine control and peak performance. It's the ideal choice for maintaining or upgrading your Ford's electrical system.

Why Choose a Holley Modular Harness?

Replacing old, brittle, or damaged factory wiring is crucial for preventing costly electrical issues and ensuring reliable engine operation. This Holley harness simplifies EFI conversions and guarantees optimal signal integrity for peak engine performance and reliability. Avoid common electrical gremlins with a purpose-built, high-quality harness. Discover premium Ford performance parts at GGCRACING.

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