For the do-it-yourself-ers, we now offer our high quality battery tray as a stand alone kit. If you would like to use your own battery isolator and do the wiring yourself, or if you have specific needs that our full-featured kit does not meet, now you can get the bare battery tray and top lid alone. This kit comes with no components mounted onto the top lid, but you still get all the hardware you need to install it into your Tundra.