These are available and running on many of the fastest Track and AutoX cars in the country. For more information email for details, follow along on FB/IG, look for my posts on EvolutionM.net (user: Dallas J)
Here's some details and ideology around choices that were made for the design of the front uprights
https://docs.google.com/document/d/1vh4DOK93vZA88hmPPhkcu9Ol2D_VpJgQm4ahIxQ3_Kc/edit?usp=sharing