Big 3 upgrade kit

[AcuraTL]

Was looking to do the big 3 upgrade on my 2012 Acura TL and was wondering which of the big 3 kits below is good and whats the difference? Was thinking the sky high kit but there's 2 different versions. I guess ones regular and ones OFC which I dont know what it means

SKY High Oversized 1 0 Gauge AWG BIG 3 Upgrade RED Black Electrical Wiring KIT | eBay

SKY High Oversized 1 0 Gauge OFC AWG BIG 3 Upgrade Blue Black Electrical Wiring | eBay

XS Power BIG3XP XP 1 0 Gauge AWG 250 AMP BIG 3 Alternator Cable Upgrade Wire KIT | eBay

NEW XS Power BIG3XS XP Flex 1 0 AWG BIG 3 Upgrade KIT W 100 OFC Wire | eBay

NVX XBG3PK 1 0 Gauge AWG 100 OFC BIG 3 Upgrade KIT FOR Systems UP TO 350A | eBay

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[rfluvinmf 10+ year member]

Was looking to do the big 3 upgrade on my 2012 Acura TL and was wondering which of the big 3 kits below is good and whats the difference? Was thinking the sky high kit but there's 2 different versions. I guess ones regular and ones OFC which I dont know what it means
SKY High Oversized 1 0 Gauge AWG BIG 3 Upgrade RED Black Electrical Wiring KIT = CCA copper clad aluminum, propablay about 10% copper and the other 90% aluminum | eBay

SKY High Oversized 1 0 Gauge OFC AWG BIG 3 Upgrade Blue Black Electrical Wiring | eBay = OFC oxygen free copper, supposed to be 99.99999% copper.

Here's a link: