Quickcar Racing Master Disconnect w/Alternator Stud — 250A 12V

SKU: BJGQ_55-012
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About Quickcar Racing QuickCar Racing Products engineers the wiring panels, ...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 Quickcar Racing

QuickCar Racing Products engineers the wiring panels, switch boards, racing gauges, and intercom systems used in NASCAR, Sprint Car, Modified, and Sportsman classes nationwide. American-made, motorsport-tested.

Watch in action

Essential Safety and Power Management

The Quickcar Racing Master Disconnect Switch is a critical safety component for any race car, providing an immediate way to cut all electrical power in the event of an emergency. Rated for 250 Amps at 12V, this heavy-duty rotary switch is designed to handle the high current demands of modern racing engines while providing a reliable cutoff point for your battery and alternator.

Key Specifications

  • 250 Amp continuous rating for high-performance electrical systems
  • Includes dedicated alternator stud for secure wiring
  • Panel-mount design for easy access through the bodywork
  • Rugged aluminum On/Off faceplate with iconic flag design
  • Rotary action ensures positive engagement and clear status

Safety is the top priority in motorsports, and a master disconnect is a mandatory requirement in almost every racing series. This switch not only serves as an emergency kill switch but also prevents battery drain during storage by allowing you to completely isolate the electrical system. The inclusion of an alternator stud simplifies the wiring process, ensuring that the alternator output is safely interrupted when the switch is in the 'Off' position. Built for durability and ease of use, this switch is a must-have for any serious build. Protect your investment and your safety with professional-grade electrical components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Quickcar Racing

QuickCar Racing Products engineers the wiring panels, switch boards, racing gauges, and intercom systems used in NASCAR, Sprint Car, Modified, and Sportsman classes nationwide. American-made, motorsport-tested.

Watch in action

Essential Safety and Power Management

The Quickcar Racing Master Disconnect Switch is a critical safety component for any race car, providing an immediate way to cut all electrical power in the event of an emergency. Rated for 250 Amps at 12V, this heavy-duty rotary switch is designed to handle the high current demands of modern racing engines while providing a reliable cutoff point for your battery and alternator.

Key Specifications

  • 250 Amp continuous rating for high-performance electrical systems
  • Includes dedicated alternator stud for secure wiring
  • Panel-mount design for easy access through the bodywork
  • Rugged aluminum On/Off faceplate with iconic flag design
  • Rotary action ensures positive engagement and clear status

Safety is the top priority in motorsports, and a master disconnect is a mandatory requirement in almost every racing series. This switch not only serves as an emergency kill switch but also prevents battery drain during storage by allowing you to completely isolate the electrical system. The inclusion of an alternator stud simplifies the wiring process, ensuring that the alternator output is safely interrupted when the switch is in the 'Off' position. Built for durability and ease of use, this switch is a must-have for any serious build. Protect your investment and your safety with professional-grade electrical components from GGCRACING.

Product Details

Product Description

About Quickcar Racing

QuickCar Racing Products engineers the wiring panels, switch boards, racing gauges, and intercom systems used in NASCAR, Sprint Car, Modified, and Sportsman classes nationwide. American-made, motorsport-tested.

Watch in action

Essential Safety and Power Management

The Quickcar Racing Master Disconnect Switch is a critical safety component for any race car, providing an immediate way to cut all electrical power in the event of an emergency. Rated for 250 Amps at 12V, this heavy-duty rotary switch is designed to handle the high current demands of modern racing engines while providing a reliable cutoff point for your battery and alternator.

Key Specifications

  • 250 Amp continuous rating for high-performance electrical systems
  • Includes dedicated alternator stud for secure wiring
  • Panel-mount design for easy access through the bodywork
  • Rugged aluminum On/Off faceplate with iconic flag design
  • Rotary action ensures positive engagement and clear status

Safety is the top priority in motorsports, and a master disconnect is a mandatory requirement in almost every racing series. This switch not only serves as an emergency kill switch but also prevents battery drain during storage by allowing you to completely isolate the electrical system. The inclusion of an alternator stud simplifies the wiring process, ensuring that the alternator output is safely interrupted when the switch is in the 'Off' position. Built for durability and ease of use, this switch is a must-have for any serious build. Protect your investment and your safety with professional-grade electrical components from GGCRACING.

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