The IDOBAO ID75 V3 Keyboard Kit is an incredibly versatile keyboard kit with a high degree of durability and ortholinear layout options to customize your feel. The nearly two-and-a-half-pound, all-aluminum case provides both resilience against wear and a rigid, substantial canvas on which to build your board Read More
Given the picture of the plate it probably wouldn't support a standard 2u spacebar with stabilizers. You'd probably have to get a 2u POS style keycap(s). Signature plastics (pimpmykeyboard) sells them.
I say probably because we can't see the PCB ... it is possible the PCB has space for the stabilizers ...
Below is a picture of the 2u POS keycaps ... I use these on my ID75 (v2). I also took the spring out of one of the switches so it isn't so stiff, and disabled the key in QMK.
The hardest part is finding a matching color, and the DSA profile won't match every keycap profile. So there's that.