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NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper (Open Box, Great)

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

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• 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

Learn more about the ls-xbg3pk-u8

We apologize

This item has been discontinued

Product Highlights


• 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

Description


NVX brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.



Product Details:

  • 1/0 Gauge X-Series Big 3 Upgrade Kit
  • Made from 100% Oxygen-Free Copper (OFC)
  • Tinned conductors for corrosion resistance
  • Pre-terminated seamless power and ground ring terminals provide reliable performance
  • Full spec power and speaker wire meet or exceed American Wire Gauge standards
  • CEA-2015 and BC5W2 compliant
  • Includes an assortment of wire termination hardware and cable ties
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Kit includes:

  1. One 6 ft. Frosted Blue 1/0 gauge power wire with seamless crimp ring terminal
  2. Two 4 ft. Frosted Black 1/0 gauge power wire with seamless crimp ring terminal
  3. Ten Black Nylon Cable Clamps
  4. Ten 1/2" #8 Wafer Head Tek Screws
  5. Ten 8" Black zip ties
  6. Three 1/0 Gauge Nickel Plated ring terminals
  7. Three Heat Shrink tubes with the NVX logo

Specifications & Details


Big 3 upgrade Kits Specifications
Power/Ground Wire Size
1/0 gauge
Power Wire Length
6 feet
Power Wire Color
Blue
Ground Wire Length
4 feet
Ground Wire Color
Gray
Complies to AWG Standards
Yes
Wire Material
OFC (100% Oxygen-Free Copper)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

LS-xbg3pk-u8

Weight:

6.40lbs

Internal SKU:

ls-xbg3pk-u8

Internal Product ID:

218628

Product and How-to Videos


  • NVX 100% OFC Power and Ground Wire | Amp Installation Kits & Big 3 Kits
  • How To Install the Big 3 Upgrade | Improve Your Vehicle's Electrical Charging System | Car Audio

Customer Ratings & Reviews


NVX XBG3PK Big 3 Kit with True 0 Gauge 100% Oxygen-Free Copper (Open Box, Great) thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Great product

Quality wire product to beef up your electrical system to improve your system. Especially high powered ones.

By Craig on November 18, 2025 Checkmark Icon Verified purchase
2015 Ram 1500



95-01-gmc-jimmy-spkg small

NVX Complete N-Series Speaker Upgrade Kit for 1995-2001 GMC Jimmy

2 Pairs of 6.5" & Pair of 4x6" NVX N-Series Speaker Upgrade Kit with Metra Speaker Adapters and Harnesses | Fits select 1995-2001 Jimmy

(250)

$218.99

List price $384.92

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.