GReddy Sirius Control Unit — Required for Vision and Meter Gauges

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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 GReddy

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

Watch in action

The Brain of Your Gauge System

The GReddy Sirius Control Unit is the essential hub for your GReddy Sirius Vision and Meter gauge setup. This control unit processes all sensor data and manages the illumination and display functions for your gauges. Without this unit, your Sirius gauges cannot function, making it a mandatory component for any Sirius-based instrumentation build. It is engineered to handle multiple gauges simultaneously, providing a centralized point for your engine monitoring needs.

Why You Need the Sirius Control Unit

  • Required for all Sirius Vision and Meter gauges
  • Centralized data processing for high accuracy
  • Easy integration with multiple sensor inputs
  • Compact design for clean installation
  • Reliable performance for consistent monitoring

Designed with the same attention to detail as the gauges themselves, the Sirius Control Unit ensures that your data is displayed smoothly and accurately. It bridges the gap between your engine sensors and your cockpit display, providing the reliability you need when pushing your vehicle to the limit. Whether you are building a full gauge cluster or adding a single unit, this controller is the foundation of your system. Get your GReddy Sirius components and expert advice at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About GReddy

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

Watch in action

The Brain of Your Gauge System

The GReddy Sirius Control Unit is the essential hub for your GReddy Sirius Vision and Meter gauge setup. This control unit processes all sensor data and manages the illumination and display functions for your gauges. Without this unit, your Sirius gauges cannot function, making it a mandatory component for any Sirius-based instrumentation build. It is engineered to handle multiple gauges simultaneously, providing a centralized point for your engine monitoring needs.

Why You Need the Sirius Control Unit

  • Required for all Sirius Vision and Meter gauges
  • Centralized data processing for high accuracy
  • Easy integration with multiple sensor inputs
  • Compact design for clean installation
  • Reliable performance for consistent monitoring

Designed with the same attention to detail as the gauges themselves, the Sirius Control Unit ensures that your data is displayed smoothly and accurately. It bridges the gap between your engine sensors and your cockpit display, providing the reliability you need when pushing your vehicle to the limit. Whether you are building a full gauge cluster or adding a single unit, this controller is the foundation of your system. Get your GReddy Sirius components and expert advice at GGCRACING.

Product Details

Product Description

About GReddy

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

Watch in action

The Brain of Your Gauge System

The GReddy Sirius Control Unit is the essential hub for your GReddy Sirius Vision and Meter gauge setup. This control unit processes all sensor data and manages the illumination and display functions for your gauges. Without this unit, your Sirius gauges cannot function, making it a mandatory component for any Sirius-based instrumentation build. It is engineered to handle multiple gauges simultaneously, providing a centralized point for your engine monitoring needs.

Why You Need the Sirius Control Unit

  • Required for all Sirius Vision and Meter gauges
  • Centralized data processing for high accuracy
  • Easy integration with multiple sensor inputs
  • Compact design for clean installation
  • Reliable performance for consistent monitoring

Designed with the same attention to detail as the gauges themselves, the Sirius Control Unit ensures that your data is displayed smoothly and accurately. It bridges the gap between your engine sensors and your cockpit display, providing the reliability you need when pushing your vehicle to the limit. Whether you are building a full gauge cluster or adding a single unit, this controller is the foundation of your system. Get your GReddy Sirius components and expert advice at GGCRACING.

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