Holley EFI

Holley EFI 522-428 42lb/hr High Impedance Injectors — EV1 Connector Set of 8

Holley EFI 522-428 42lb/hr High Impedance Injectors — EV1 Connector Set of 8
Holley EFI 522-428 42lb/hr High Impedance Injectors — EV1 Connector Set of 8
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Holley EFI 522-428 42lb/hr High Impedance Injectors — EV1 Connector Set of 8Holley EFI 522-428 42lb/hr High Impedance Injectors — EV1 Connector Set of 8
Holley EFI

Holley EFI 522-428 42lb/hr High Impedance Injectors — EV1 Connector Set of 8

SKU: GVMR_522-428
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About Holley EFI Holley EFI engineers high-quality automotive parts and ...Read More

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$583.95
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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

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.

High-Flow Performance with Holley EFI 42lb/hr Injectors

Take your engine's fueling to the next level with the Holley EFI 522-428 42lb/hr fuel injectors. These high-impedance injectors are engineered to provide precise fuel delivery for high-performance engines requiring more flow than stock units. Featuring the standard EV1/Minitimer connector, these injectors offer a plug-and-play solution for many popular EFI conversions and performance upgrades.

Key Features and Benefits

  • Flow Capacity: 42 lb/hr for increased power potential
  • Connector Type: EV1 / Minitimer
  • Impedance: High Impedance (compatible with most factory ECUs)
  • Quantity: Set of 8 injectors
  • Application: Universal fitment for custom EFI builds
  • Reliability: Designed for consistent spray patterns and longevity

Whether you are building a naturally aspirated street machine or a forced induction setup, these 42lb/hr injectors provide the necessary fuel volume to prevent lean conditions and maximize horsepower. The high-impedance design ensures compatibility with a wide range of engine management systems, reducing the need for complex wiring modifications. Invest in the precision and quality of Holley EFI to ensure your engine performs at its peak under all driving conditions. For expert-grade fuel components, trust the selection 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.

High-Flow Performance with Holley EFI 42lb/hr Injectors

Take your engine's fueling to the next level with the Holley EFI 522-428 42lb/hr fuel injectors. These high-impedance injectors are engineered to provide precise fuel delivery for high-performance engines requiring more flow than stock units. Featuring the standard EV1/Minitimer connector, these injectors offer a plug-and-play solution for many popular EFI conversions and performance upgrades.

Key Features and Benefits

  • Flow Capacity: 42 lb/hr for increased power potential
  • Connector Type: EV1 / Minitimer
  • Impedance: High Impedance (compatible with most factory ECUs)
  • Quantity: Set of 8 injectors
  • Application: Universal fitment for custom EFI builds
  • Reliability: Designed for consistent spray patterns and longevity

Whether you are building a naturally aspirated street machine or a forced induction setup, these 42lb/hr injectors provide the necessary fuel volume to prevent lean conditions and maximize horsepower. The high-impedance design ensures compatibility with a wide range of engine management systems, reducing the need for complex wiring modifications. Invest in the precision and quality of Holley EFI to ensure your engine performs at its peak under all driving conditions. For expert-grade fuel components, trust the selection 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.

High-Flow Performance with Holley EFI 42lb/hr Injectors

Take your engine's fueling to the next level with the Holley EFI 522-428 42lb/hr fuel injectors. These high-impedance injectors are engineered to provide precise fuel delivery for high-performance engines requiring more flow than stock units. Featuring the standard EV1/Minitimer connector, these injectors offer a plug-and-play solution for many popular EFI conversions and performance upgrades.

Key Features and Benefits

  • Flow Capacity: 42 lb/hr for increased power potential
  • Connector Type: EV1 / Minitimer
  • Impedance: High Impedance (compatible with most factory ECUs)
  • Quantity: Set of 8 injectors
  • Application: Universal fitment for custom EFI builds
  • Reliability: Designed for consistent spray patterns and longevity

Whether you are building a naturally aspirated street machine or a forced induction setup, these 42lb/hr injectors provide the necessary fuel volume to prevent lean conditions and maximize horsepower. The high-impedance design ensures compatibility with a wide range of engine management systems, reducing the need for complex wiring modifications. Invest in the precision and quality of Holley EFI to ensure your engine performs at its peak under all driving conditions. For expert-grade fuel components, trust the selection at GGCRACING.

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