Sky High Oversized 4 Gauge OFC Big 3 Upgrade Green/Black Electrical Wiring Kit

If you have any questions feel free to ask. We sell a wide array of high end car audio components including; Sky High Car Audio Cable, DC Audio subs and amps, XS Power batteries, Singer alts, and accessories and Mclaren Audio mids, highs and amps. So if you are interested in any of the listed brands please send us an email and one of our knowledgable staff members will get back to you as quickly as possible. Thank you for looking and have a great day.

• UPGRADE YOUR ELECTRICAL SYSTEM - Improve current flow between alternator, battery, and chassis with a 4 gauge Big 3 upgrade kit designed to reduce voltage drop and support car audio systems, amplifiers, and upgraded electrical components.
• 100% OFC COPPER WIRE - Built using oxygen free copper (OFC) for maximum conductivity, lower resistance, and improved power transfer compared to CCA wire, making it ideal for reliable performance under load.
• COMPLETE 4 GAUGE BIG 3 KIT - Includes three 4ft cables (one power wire and two ground wires), pre-installed ring terminals, additional lugs, and heat shrink for a clean and professional installation.
• PRE-CRIMPED FOR EASY INSTALL - Each cable features one professionally installed ring terminal with the opposite end left open, allowing for custom routing, trimming, and proper fitment during installation.
• IDEAL FOR CAR AUDIO & ELECTRICAL UPGRADES - Perfect for amplifier installs, battery cable upgrades, alternator wiring, and Big 3 upgrades in daily drivers and moderate power systems requiring dependable electrical performance.