Holley EFI 1/4" EGT Probe — 90-Degree Open Tip 32.25in

SKU: GVMR_554-178
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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

Accurate Exhaust Gas Temperature Monitoring

Monitoring your exhaust gas temperatures (EGT) is vital for protecting your engine from lean conditions and detonation. The Holley EFI 1/4" EGT Probe features a 90-degree open tip design, allowing for faster response times and more accurate data collection. With a 32.25-inch lead, this probe provides the flexibility needed for various exhaust manifold or header configurations.

Technical Specifications

  • Probe Diameter: 1/4 inch
  • Design: 90-Degree Open Tip for rapid thermal response
  • Lead Length: 32.25 inches
  • Compatibility: Designed for Holley EFI data acquisition systems
  • Durable construction for high-temperature exhaust environments

This EGT probe is an essential tool for tuners and performance enthusiasts who need real-time feedback on combustion efficiency. By placing the probe in the exhaust stream, you can monitor individual cylinder temperatures, allowing for precise fuel and timing adjustments. The open tip design ensures that the sensor is exposed directly to the exhaust gases, providing the most accurate reading possible compared to shielded alternatives. Whether you are running a turbocharged, supercharged, or naturally aspirated engine, this probe is a critical component for data logging and engine safety. Find all your high-performance sensor needs 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

Accurate Exhaust Gas Temperature Monitoring

Monitoring your exhaust gas temperatures (EGT) is vital for protecting your engine from lean conditions and detonation. The Holley EFI 1/4" EGT Probe features a 90-degree open tip design, allowing for faster response times and more accurate data collection. With a 32.25-inch lead, this probe provides the flexibility needed for various exhaust manifold or header configurations.

Technical Specifications

  • Probe Diameter: 1/4 inch
  • Design: 90-Degree Open Tip for rapid thermal response
  • Lead Length: 32.25 inches
  • Compatibility: Designed for Holley EFI data acquisition systems
  • Durable construction for high-temperature exhaust environments

This EGT probe is an essential tool for tuners and performance enthusiasts who need real-time feedback on combustion efficiency. By placing the probe in the exhaust stream, you can monitor individual cylinder temperatures, allowing for precise fuel and timing adjustments. The open tip design ensures that the sensor is exposed directly to the exhaust gases, providing the most accurate reading possible compared to shielded alternatives. Whether you are running a turbocharged, supercharged, or naturally aspirated engine, this probe is a critical component for data logging and engine safety. Find all your high-performance sensor needs 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

Accurate Exhaust Gas Temperature Monitoring

Monitoring your exhaust gas temperatures (EGT) is vital for protecting your engine from lean conditions and detonation. The Holley EFI 1/4" EGT Probe features a 90-degree open tip design, allowing for faster response times and more accurate data collection. With a 32.25-inch lead, this probe provides the flexibility needed for various exhaust manifold or header configurations.

Technical Specifications

  • Probe Diameter: 1/4 inch
  • Design: 90-Degree Open Tip for rapid thermal response
  • Lead Length: 32.25 inches
  • Compatibility: Designed for Holley EFI data acquisition systems
  • Durable construction for high-temperature exhaust environments

This EGT probe is an essential tool for tuners and performance enthusiasts who need real-time feedback on combustion efficiency. By placing the probe in the exhaust stream, you can monitor individual cylinder temperatures, allowing for precise fuel and timing adjustments. The open tip design ensures that the sensor is exposed directly to the exhaust gases, providing the most accurate reading possible compared to shielded alternatives. Whether you are running a turbocharged, supercharged, or naturally aspirated engine, this probe is a critical component for data logging and engine safety. Find all your high-performance sensor needs at GGCRACING.

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