Holley EFI Dual Sync Distributor Cap — Black Non-Vented Screw-Down

SKU: GVMR_566-103
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About Holley EFI Holley EFI engineers high-quality automotive parts and ...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

About Holley EFI

Holley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliable Ignition Protection with Holley EFI

Ensure your ignition system remains sealed and protected with the Holley EFI Dual Sync Distributor Cap. Designed specifically for use with Holley Dual Sync distributors, this cap is built to handle the high-voltage demands of performance EFI systems. Its non-vented, screw-down design prevents moisture and debris from entering the distributor, ensuring consistent spark delivery and engine reliability.

Key Benefits for Your Ignition System

  • Perfect Fitment: Engineered specifically for Holley Dual Sync distributors for a precise, leak-free seal.
  • Durable Construction: High-dielectric strength material prevents arcing and ensures long-term durability.
  • Screw-Down Design: Provides a secure attachment that won't vibrate loose under high-RPM conditions.
  • Non-Vented: Keeps internal components clean and free from contaminants in harsh environments.
  • Sleek Aesthetic: Finished in a professional black to complement any high-performance engine bay.

A worn or damaged distributor cap can lead to misfires, poor performance, and even engine failure. Regular maintenance of your ignition system is vital for keeping your vehicle running at its best. This Holley EFI replacement cap offers the quality and peace of mind you need to keep your ignition firing reliably. When it comes to maintaining your performance build, choose the components that are designed for the job. Find this and other essential ignition parts for your Holley EFI system at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Holley EFI

Holley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliable Ignition Protection with Holley EFI

Ensure your ignition system remains sealed and protected with the Holley EFI Dual Sync Distributor Cap. Designed specifically for use with Holley Dual Sync distributors, this cap is built to handle the high-voltage demands of performance EFI systems. Its non-vented, screw-down design prevents moisture and debris from entering the distributor, ensuring consistent spark delivery and engine reliability.

Key Benefits for Your Ignition System

  • Perfect Fitment: Engineered specifically for Holley Dual Sync distributors for a precise, leak-free seal.
  • Durable Construction: High-dielectric strength material prevents arcing and ensures long-term durability.
  • Screw-Down Design: Provides a secure attachment that won't vibrate loose under high-RPM conditions.
  • Non-Vented: Keeps internal components clean and free from contaminants in harsh environments.
  • Sleek Aesthetic: Finished in a professional black to complement any high-performance engine bay.

A worn or damaged distributor cap can lead to misfires, poor performance, and even engine failure. Regular maintenance of your ignition system is vital for keeping your vehicle running at its best. This Holley EFI replacement cap offers the quality and peace of mind you need to keep your ignition firing reliably. When it comes to maintaining your performance build, choose the components that are designed for the job. Find this and other essential ignition parts for your Holley EFI system at GGCRACING.

Product Details

Product Description

About Holley EFI

Holley EFI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Holley EFI lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliable Ignition Protection with Holley EFI

Ensure your ignition system remains sealed and protected with the Holley EFI Dual Sync Distributor Cap. Designed specifically for use with Holley Dual Sync distributors, this cap is built to handle the high-voltage demands of performance EFI systems. Its non-vented, screw-down design prevents moisture and debris from entering the distributor, ensuring consistent spark delivery and engine reliability.

Key Benefits for Your Ignition System

  • Perfect Fitment: Engineered specifically for Holley Dual Sync distributors for a precise, leak-free seal.
  • Durable Construction: High-dielectric strength material prevents arcing and ensures long-term durability.
  • Screw-Down Design: Provides a secure attachment that won't vibrate loose under high-RPM conditions.
  • Non-Vented: Keeps internal components clean and free from contaminants in harsh environments.
  • Sleek Aesthetic: Finished in a professional black to complement any high-performance engine bay.

A worn or damaged distributor cap can lead to misfires, poor performance, and even engine failure. Regular maintenance of your ignition system is vital for keeping your vehicle running at its best. This Holley EFI replacement cap offers the quality and peace of mind you need to keep your ignition firing reliably. When it comes to maintaining your performance build, choose the components that are designed for the job. Find this and other essential ignition parts for your Holley EFI system at GGCRACING.

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