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Belva BBG3KT

1/0 AWG Big 3 Upgrade Kit with CCA Wire for Audio Sytems up to 250 Amps

In Stock

List price $79.99

You Save: $40.00 (50.01%)


with warranty

Order within 74 hrs 18 mins to ship 12/1

Arrives by Wednesday, Dec. 3 to zip 20147

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Warranty assistance for a year

In Stock

Arrives by Wed, Dec. 3

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Bundled Savings with this Product


Add a pair of Heavy Duty Wire & Cable Cutters and Save $4.50

Easily cut any thickness wire up to 1/0 AWG with these heavy duty curved blade cutters. They even have an extra knife blade for stripping away the insulation.




Belva BBG3KT



25% OFF

Xscorpion CC-06


Special Price $13.49 ($17.99 if purchased separately)

Xscorpion CC-06

Electrical Wire & Cable Cutter/Stripper • Cuts Any Thickness Wire up to 1/0 AWG • Curved Blade Cuts Wire up to 8.25mm • Extra Knife for Stripping Insulation

(Offer 1 of 1)

Combined Total Price


You Save $4.50

General Features:

  • CCA 1/0 Gauge Big 3 Upgrade Kit
    • Belva CCA wire is made from 30% copper while KnuKonceptz, XS Power and other CCA wire is just 10% copper
  • 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 250A or less
  • Thick but flexible CCA wiring
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's in the Box?

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

Power / Ground Cable Specifications

Wire Gauge
The measurement of the diameter of wire. As the gauge number increases the size of the wire decreases. As the wire gauge number decreases, the diameter of the wire increases. For example, an 8 gauge wire is going to be larger than a 16 gauge wire.

When purchasing wire, make sure that you know what size, or gauge of wire is needed.

1/0 gauge

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


sidney ,Ohio

a++ fast shipping

October 12, 2014

Great product works well and fast shipping. Would buy again.

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Lucedale MS

Belva big 3= awesome

September 8, 2014

I did my big three with the Belva kit and it improved my voltage massively. I use all Belva wiring and a Belva amp in my system and it sounds amazing. Get one and u will not regret it

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Grand Island, NE.

Good Value

August 13, 2014

Ordered this for a Sebring convertible upgrade (140A stock alternator). Ordered on a Friday and received it on Tuesday - excellent/fast shipping! Product is EXACTLY as described. Although the wire is CCA (perfectly acceptable in this application) it is very nice. Jacketing is very supple and the cable is very flexible. On the fence if this is true 1/0 cable however - compared to some older L/A 2/0 wire the wire itself is the same size (this has zero impact on my positive review - look again at the price :-) ). Supplied accessories (down to the zip ties) were all very nice quality. If I had only thought ahead and ordered the crimping tool!!!

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Fort Worth, TX

Great Upgrade Kit!

July 27, 2014

I needed to do a big 3 upgrade on my truck, and I chose this kit over others because of it's price. The quality is great, everything I needed was included in the kit, and it performs very well!

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Accessory Tools and Products

Accessories added

Kicker Positive/Negative Battery Terminal Clamp

This battery terminal clamp has 3 outputs (One 1/0 or 4 AWG and two 4 or 8 AWG)

Your Price $26.95

Stinger HPM Series Battery Terminal

Battery terminal with 2 ouputs (0/1 or 4 AWG)

Your Price $29.99

Belva BRT038

0/1 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

Your Price $4.99

Belva BRT0516

0/1 Gauge Ring Terminals, 5/16" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

Your Price $4.99

Stinger Pro Series 1/0 Gauge Ring Terminal (2-Pack)

Gold ring terminal with 1/0 gauge Input to 5/16" ring

Your Price $5.95

Stinger 1/0 Gauge Ring Terminal (Priced Individually)

Gold set screw ring terminal with 1/0 Gauge input to 5/16" ring. Includes red and black indicator bands.

Your Price $8.99

Stinger Gauge Reducer

1/0 AWG to 4 AWG Chrome gauge reducer for connecting 1/0 AWG cable to 4 AWG inputs.

Your Price $8.99

Xscorpion HST1BK

4 Ft of 1" Black Heat Shrink Tubing

Your Price $4.99

Xscorpion HST1.03BK

30 Ft of 1" Black Heat Shrink Tubing

Your Price $17.99

Xscorpion ET34.1BK

100 Ft of 3/4" Black Expandable Sleeving

Your Price $26.99

Scosche SL34-80

80 ft of 3/4" Split Loom Tubing

Your Price $19.99

Scosche SL1-50

50 ft of 1" Split Loom Tubing

Your Price $39.99

Browse 2 questions and 4 answers
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Why did you choose this?
Sonic Electronix Store
good deal. everything u need for the big 3.
Christopher P on Aug 31, 2014
I purchased this 250 amp cca wire cable to get the big done in a nissan maxima 98..the alternator is stock 100 amp.. soon will be changed to 125 amps as im waiting to pay off my car by december.. i would recommend this wire for all of its contents which makes it an easier installation and its for system that draw less than 250 amps of current.. so if you have like more then 250 amps alternator like 270 amps.. then ofc is your better choice.. look up for knukonceptz and skyhigh ofc best choice !
magdiel p on Aug 18, 2014
How long is the power cable ?In meters ?
I have the battery in front and my amp back.
maximilian on Sep 25, 2014
Best Answer: Sorry I answered for the wrong wire. I recently bought 2 kits. This kit is for a big 3 terminal upgrade on your battery. This cables only run 1 to 2 feet in length and are only meant to be used under your hood from the alternator to the battery and ground. THIS IS NOT AN AMP KIT!! Again, you are over your head, take it to the pros.
Reply · Report · Bryce F on Sep 26, 2014
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Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Belva BBG3KT