[jspecusa]

1. if HKS makes them already and they don't sell/no one knows about it, then what's the point making another one.
2. building a race/track car is hacking it up doing whatever possible especially on a budget to compete, either buy a $450 camber plate or slotting the holes on a $1,000 chasis that's build to hit the wall.
3. no one is going to spend money on a $450 camber plate to replace their camber plate they already have on their coilover system just to adjust caster.

it would be a great idea for a high end coilover company to use these camber plates on product, but not by itself.

in the end the S chasis market is only good for low end parts, companies that makes high end stuff will eventually go out of business or stop making parts for s chasis.

I dunno I'm just guess from dealing with S chasis community since 1999.