Recoil PBG3 True Spec 1/0 Gauge 99.99% Oxygen Free Copper Wire Big 3 Amp Wiring Upgrade Kits for Car Audio Systems up to 350 Amps

(401 Reviews)

Price
$43.19

Quantity
(10000 available )

Total Price
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38 Ratings
30
6
0
0
2
Reviews
  • Jacob Ives

    > 3 day

    Nice thick ofc. Had plenty of wire. Holes were a bit small, had to drill them out a bit. No big deal. My 4 stars is for the cheap zip ties they included. Every one of them broke easily. Order zip ties if your ordering this kit. Overall, happy with the purchase. Stabilizing my voltage nicely

  • Derrick berry

    > 3 day

    Used for a big 3 high output alternator. Works great. No issues.

  • X. Mora

    > 3 day

    Hey Guys, for a rundown of why I need this:

  • Stephen cloward

    > 3 day

    With it having a 6 and 2-4 wires to use its more than enough to get this done. And at the price it costs 30% to 50% less than others. I bought my rings at down4sound all of them for 10$.

  • Ashton

    > 3 day

    Very happy with the size of the wire, some companies have smaller 0 gauge than others (idk how that’s possible) anywho, this kit was great and I actually had to cut the wires and ended up with enough left over to run a SECOND big 3. Just need to get ring terminals for it. Overall, amazing kit for the money, definitely helped my alternator support my 1500 watt system

  • Alex Santos

    > 3 day

    Only complaint is the insulation sleeve on wires is a bit whimpy but they do the job.

  • JANKYMULE

    > 3 day

    Just as described. Cheaper than buying the parts separately. No more lights flickering because of my system

  • Shane Peroceschi

    > 3 day

    I think this kit provided good value for the money that I spent. Help me do the big three upgrade with ease, and I would recommend to anybody else who wants to do the same. I did see a power stability increase in my car and in the stereo system that I have set up in my car.

  • Mason

    > 3 day

    This is a great big 3 kit. To start, the wires are very flexible and more than long enough for an engine bay big 3 job. I verified that the strands are all pure copper, and the box says 100% OFC. I replaced the included nickel plate terminal lugs with tinned copper lugs of the right size for my application. The price and quality of this kit cant be beat.

  • Jason S

    08-06-2025

    Did my big 3 with this kit. Very flexible and works great.

RECOILRECOIL

The Big 3 Upgrade

If you"re a car audio enthusiast, eventually your sound system will reach the point where it is too powerful for your vehicle"s existing electrical system. The first step in upgrading your power system should be a Big 3 Upgrade, and there is no better Big 3 kit than Recoil RBG3PK. Our Big 3 Upgrade kit is specifically designed to help your old electrical system cope with the demands of your fantastic sound system and help with those annoying dimming headlights when your sound really kicks. Our kits are engineered from the highest quality materials to ensure long lasting durability. Included with the kit are the battery ground to chassis wire, the chassis to engine block wire and the alternator positive to battery positive wire as well as the clamps, screws and copper ring terminals necessary with this installation. It allows your electrical system to run at its maximum efficiency while also allowing your amps to run cooler and subs to hit harder.

PBG3PBG3

PBG3

  • Two 4ft premium true-spec 1/0 AWG Ground Cables with seamless ring terminal
  • One 6ft premium true-spec 1/0 AWG Power Cable with seamless ring terminal
  • Ten black nylon cable clamps
  • Ten 1/2" #8 Wafer Head Tek Screws
  • Ten 8" Black Zip Ties (x10)
  • Three pieces heavy duty seamless ring terminals
RBG3RBG3

RBG3

  • Two 4ft premium true-spec 1/0 AWG Ground Cables with seamless ring terminal
  • One 6ft premium true-spec 1/0 AWG Power Cable with seamless ring terminal
  • Ten black nylon cable clamps
  • Ten 1/2" #8 Wafer Head Tek Screws
  • Ten 8" Black Zip Ties (x10)
  • Three pieces heavy duty seamless ring terminals
PBG3 RBG3
PBG3 RBG3
Description True Spec 1/0 Gauge 99.99% Oxygen Free Copper Wire Big 3 Amp Wiring Upgrade Kits for Car Audio Systems up to 350 Amps True Spec 1/0 Gauge Wire Big 3 Amp Wiring Upgrade Kits for Car Audio Systems

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