Trying to build a cheap but adjustable front end. PD sonic/subsonic/supersonic fit the bill perfectly.

Anyone have a pair of these lying around? Or any of the follow long individual components:

Ergo+ or Race+ armrests
45/25 extensions (alum is fine), I would also consider 35s
Pair of brackets (any type, though least interested in the base sonics)

Spacers are a ridiculous $40+ per pair new, so even if you just have has some extra 5/10/20/30mm that you never use, please reach out!