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How To Big 3 Upgrade

Anyone with an amplified aftermarket car audio system, especially those over 1000 Watts, should seriously consider performing this upgrade. If you've noticed dimming headlights, slow window roll down speeds, or voltage drops it's time to do a Big 3 Upgrade.

Big 3 Upgrade Kits

1/0 AWG Big 3 Upgrade Kit with CCA Wire for Audio Sytems up to 250 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 250A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire
• 30% Copper CCA Wire

Add a pair of Large Gauge Cable Crimper and Save 15%

$34.99

IN STOCK

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 15%

$79.99

IN STOCK

  • 3.8
4 reviews

Premium Zero Gauge "Big 3" Cable Upgrade Kit

• Designed for Alternators up to 250 Amps
• Ultra Flexible soft Touch Jacket for Easy Routing
• True 1/0 Gauge Diameter Cable
• Heavy duty Set-Screw Ring Terminals

$69.95

AVAILABLE

Ships at Later Date

  • 5.0
2 reviews

400A Premium Oversized-Zero Gauge "Big 3" Cable Upgrade Kit

• Designed for Alternators up to 400 Amps
• Ultra Flexible soft Touch Jacket for Easy Routing
• True 1/0 Gauge Diameter Cable
• Heavy duty Set-Screw Ring Terminals

$119.99

SPECIAL ORDER

Ships at Later Date