Suits engine bay installations
and sluggish starts are a sign it’s time for an upgrade — the Big 7 Kit is your solution
with programmable amber or red backlight alerts to keep you informed in real-time
Spring-loaded grip fits most smartphones (with or without case)
The Big 7 Kit upgrades that weak link with the heavy-duty power your 4Runner deserves
Toyota Tundra Big 7 Battery Cables Kit Gen 2 - 2007-2018 Wire Size:1/0GA Suits engine bay installationsToyota Tundra Big 7 Battery Cable Kit (Gen 2 20072018) Your second gen Tundra is a beast, but factory wiring wasnt designed to handle winches, lighting setups, fridges, or other high draw accessories. Voltage drops, dim lights, and sluggish starts are a sign its time for an upgrade the Big 7 Kit is the answer. Whats Inside the Big 7 Kit? The Big 3 alternator battery, battery chassis, engine chassis is just the start. The Big 7 Kit adds dedicated runs