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Perform the big 3-upgrades for your vehicle with our exclusive big 3 upgrade kits and packages. Buy now for fast and free shipping!
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$69.99 $135.82

NVX Big 3 Upgrade Kits

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

• 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

Add a pair of Large Gauge Cable Crimper and Save 25%



Big 3 Upgrade Combo Package 1/0 AWG EnvyFlex Cable, Wire Cutters, 2 Battery and 4 Ring Terminals

• Includes NVX 1/0 Power & Ground Cable
• Battery Terminal Clamps
• Helps Eliminate Dimming Headlights
• Stops Drops in Voltage
• Improves Vehicles System Charging
• Includes Wire & Cable Cutter/Stripper