Holley EFI Vacuum Manifold 12-Port 1/8 NPT — Universal Vacuum Distribution Block

SKU: GVMR_534-52
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About Holley EFI Holley EFI engineers high-quality automotive parts and ...Read More

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Sale price$67.55
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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

Streamline Your Vacuum Routing

Managing multiple vacuum sources in a high-performance build can quickly become a plumbing nightmare. The Holley EFI Vacuum Manifold is the ultimate solution for organizing your vacuum lines, boost gauges, blow-off valves, and fuel pressure regulators. Featuring twelve 1/8 NPT ports, this manifold provides a centralized distribution point that eliminates the need for messy "T" fittings and potential leak points.

Technical Specifications

  • Twelve 1/8 NPT ports for maximum versatility
  • Two 6 AN ORB ports for high-flow supply
  • Precision-machined aluminum construction
  • Durable black anodized finish for corrosion resistance
  • Compact design for easy engine bay mounting

This vacuum manifold is engineered for enthusiasts who demand both form and function. The black anodized finish not only looks professional but also protects against the harsh environment of an engine bay. By providing a stable, consistent vacuum source for all your aftermarket accessories, this manifold helps ensure accurate sensor readings and reliable operation of your forced induction components. Whether you are running a complex turbo setup or a naturally aspirated build with multiple vacuum-operated devices, this Holley EFI manifold simplifies your plumbing and enhances reliability. Experience cleaner engine bay aesthetics and superior vacuum management by choosing high-quality components from 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

Streamline Your Vacuum Routing

Managing multiple vacuum sources in a high-performance build can quickly become a plumbing nightmare. The Holley EFI Vacuum Manifold is the ultimate solution for organizing your vacuum lines, boost gauges, blow-off valves, and fuel pressure regulators. Featuring twelve 1/8 NPT ports, this manifold provides a centralized distribution point that eliminates the need for messy "T" fittings and potential leak points.

Technical Specifications

  • Twelve 1/8 NPT ports for maximum versatility
  • Two 6 AN ORB ports for high-flow supply
  • Precision-machined aluminum construction
  • Durable black anodized finish for corrosion resistance
  • Compact design for easy engine bay mounting

This vacuum manifold is engineered for enthusiasts who demand both form and function. The black anodized finish not only looks professional but also protects against the harsh environment of an engine bay. By providing a stable, consistent vacuum source for all your aftermarket accessories, this manifold helps ensure accurate sensor readings and reliable operation of your forced induction components. Whether you are running a complex turbo setup or a naturally aspirated build with multiple vacuum-operated devices, this Holley EFI manifold simplifies your plumbing and enhances reliability. Experience cleaner engine bay aesthetics and superior vacuum management by choosing high-quality components from 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

Streamline Your Vacuum Routing

Managing multiple vacuum sources in a high-performance build can quickly become a plumbing nightmare. The Holley EFI Vacuum Manifold is the ultimate solution for organizing your vacuum lines, boost gauges, blow-off valves, and fuel pressure regulators. Featuring twelve 1/8 NPT ports, this manifold provides a centralized distribution point that eliminates the need for messy "T" fittings and potential leak points.

Technical Specifications

  • Twelve 1/8 NPT ports for maximum versatility
  • Two 6 AN ORB ports for high-flow supply
  • Precision-machined aluminum construction
  • Durable black anodized finish for corrosion resistance
  • Compact design for easy engine bay mounting

This vacuum manifold is engineered for enthusiasts who demand both form and function. The black anodized finish not only looks professional but also protects against the harsh environment of an engine bay. By providing a stable, consistent vacuum source for all your aftermarket accessories, this manifold helps ensure accurate sensor readings and reliable operation of your forced induction components. Whether you are running a complex turbo setup or a naturally aspirated build with multiple vacuum-operated devices, this Holley EFI manifold simplifies your plumbing and enhances reliability. Experience cleaner engine bay aesthetics and superior vacuum management by choosing high-quality components from GGCRACING.

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