Very Tight build everything uses M2 Screws 6-10mm 1103 motors 1.9 in props FC/ESC combo https://www.banggood.com/Super_S-Flytower-Omnibus-F3-Flight-Controller-Built-In-Betaflight-OSD-Dshot-6A-4-In-1-ESC-BLHeli_S-p-1162916.html?rmmds=myorder

Camera (WARNING: You need to change the Antenna to a Linear (Whip) antenna to make it fit) https://www.banggood.com/Eachine-TX02-Super-Mini-AIO-5_8G-40CH-200mW-VTX-600TVL-14-Cmos-FPV-Camera-p-1088368.html?rmmds=myorder&cur_warehouse=CN

For FC stack mounting I use thick foam double sided tape top and bottom of the stack to hold it in with less vibrations.