Longacre Battery Disconnect 175A Rotary Switch w/ Alternator — Universal Racing

SKU: BJFG_52-45780

About Longacre Longacre engineers high-quality automotive parts and accessories trusted ...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

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Part Numbers
Sizing & Fit

About Longacre

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

Professional Grade Rotary Battery Disconnect

The Longacre Battery Disconnect Switch with alternator protection is the gold standard for race car electrical management. Designed for 6-36V systems, this 175 Amp rotary switch allows you to isolate your battery while protecting your alternator from potential damage during power-off sequences. It is an essential upgrade for any serious competition vehicle.

Technical Specifications

  • Amperage Rating: 175 Amps for high-load reliability.
  • Voltage Compatibility: Versatile operation from 6V to 36V.
  • Alternator Protection: Integrated circuit design prevents alternator spikes.
  • Rugged Rotary Design: Easy-to-grip knob for quick operation under pressure.

This rotary switch is engineered to meet the demanding requirements of professional racing series. Its robust construction ensures longevity, even in high-vibration environments. The panel-mount design allows for clean, professional installation in your cockpit or exterior kill-switch location. By choosing this Longacre component, you are investing in the reliability of your vehicle's electrical architecture. Ensure your race car is track-ready and compliant with safety standards by upgrading your electrical system today. Experience the quality and precision engineering of GGCRACING parts.

About Longacre

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

Professional Grade Rotary Battery Disconnect

The Longacre Battery Disconnect Switch with alternator protection is the gold standard for race car electrical management. Designed for 6-36V systems, this 175 Amp rotary switch allows you to isolate your battery while protecting your alternator from potential damage during power-off sequences. It is an essential upgrade for any serious competition vehicle.

Technical Specifications

  • Amperage Rating: 175 Amps for high-load reliability.
  • Voltage Compatibility: Versatile operation from 6V to 36V.
  • Alternator Protection: Integrated circuit design prevents alternator spikes.
  • Rugged Rotary Design: Easy-to-grip knob for quick operation under pressure.

This rotary switch is engineered to meet the demanding requirements of professional racing series. Its robust construction ensures longevity, even in high-vibration environments. The panel-mount design allows for clean, professional installation in your cockpit or exterior kill-switch location. By choosing this Longacre component, you are investing in the reliability of your vehicle's electrical architecture. Ensure your race car is track-ready and compliant with safety standards by upgrading your electrical system today. Experience the quality and precision engineering of GGCRACING parts.

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