Big 3 and Dual Battery Kits

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A97obs

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All set up to make kits!! Red and Black 1/0 gauge cable hex crimped with 5 ton crimper and soldered, then marine grade shrink wrapped. Here’s my first Dual battery kit I made for my 98 5.7

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A97obs

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Thanks for the offer, but I already did this upgrade in 2/0 ofc.
I do a good bit of car audio work as a hobby. The kits are definitely nice good for those who know nothing about them or how to ‘
 

BeeTrap

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Hello, I need the Big 3, single passenger-side battery, 1994 GMC K1500, 5.7L, 140-amp Powermaster Alternator (just for info).
If there is/are fuse upgrades, please advise. Ship to 39071. Thanks, been checking this out for TOO long, gotta get me one!
 

Suburban7148

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Hey there, I'm looking for the Big 3 for a 1997 Chevy K3500 Dually 454. Passenger side battery. Not 100% sure about the alternator as the truck is new to me but can get that info to you if needed. Thanks!
 

5vortec7

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As long as the alternator isn’t an aftermarket high amperage replacement the 150a fuse I use in my kit will work fine. PM coming shortly
 
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