All the manuals for the Endzilla kits can be found below:
300L
300ZL
400XL
400ZXL
300L V2
300ZL V2
400XL V2
400ZXL V2
500Z
Ender 3 Dual Z Kit
Ender 3/ Endzilla Linear Rail kit
Here you will find more about projects we can share with you. And also any news regarding new products we are releasing/stocking.