2007-2021 Toyota Tundra Dual Battery Kit - Gen 3 ZERO BREEZE These additions create a dynamic

These additions create a dynamic shifting load

coil springs can be better matched to your specific load requirements and intended vehicle usage

The 40% Version with Power Rear Window measures 21-3/4" wide x 35" long

Install Time

Increased spring rate to improve handling and lift front end

2007-2021 Toyota Tundra Dual Battery Kit - Gen 3 ZERO BREEZE These additions create a dynamicBus Bars Adding electrical accessories to your vehicle has never been easier! Devices connected to the bus bars run from the Aux battery and will not drain your cranking battery. 3 sizes of studs for connecting heavy wires like your winch, stereo amps, fuse boxes, etc. Connect smaller ring terminals to the small screws. Boost Switch Auto Connects the batteries automatically based on their voltage level On Manually connects the batteries together just