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XBG3PK | 1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Systems up to 350 Amps

$89.99
In stock

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 350A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire


NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper

1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

Product Details:

  • NVX XBG3PK
  • 100% OFC (Oxygen Free Copper) 1/0 Gauge Big 3 Upgrade Kit
  • Use to upgrade your factory battery ground wire, alternator ground wire and alternator power wire
  • Use to solve issues with dimming lights
    • More effective than a capacitor when experiencing dimming lights
  • Makes electrical system run more efficiently
    • Deeper bass
    • Amps run cooler and are less likely to go into protect mode
  • Use for systems 350A or less
  • Thick but flexible 100% OFC wiring
  • Limited Lifetime Warranty

What's in the Box?

  1. 4' 1/0 AWG Ground Cables w/ Ring Terminal (x 2)
  2. 6' 1/0 AWG Power Cable w/ Ring Terminal (x 1)
  3. Black Nylon Cable Clamps (x 10)
  4. 1/2" #8 Wafer Head Tek Screws (x 10)
  5. 8" Black Zip Ties (x 10)
  6. Additional Ring Terminals (x 3)

More Information
Manufacturer NVX
UPC 818060012815
Amp kit type Big 3 upgrade kit
Wire gauge size 1/0
Color Blue
Item Returns This item can be returned

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  1. How to Properly Ground a Car Amplifier How to Properly Ground a Car Amplifier Did you know improper ground wiring is the biggest cause of amplifier problems? Ground wire protects against electrical overload and damage, helps direct electricity, stabilizes voltage levels, and most importantly protects you from dangerous electrical issues.
  2. How to Install a Big 3 Upgrade How to Install a Big 3 Upgrade For many car audio systems, a big 3 upgrade can vastly improve your vehicle’s electrical system. Amplifiers, subwoofers, speakers, and other components pull power and can stress your electrical components. A big 3 upgrade will allow more current flow to all of your stereo components, improving your electrical system by ensuring more consistent voltage. Read this article to find out how to upgrade yours.

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