SPC > Kinetix. At least in my book. I have tracked with SPC and just upgraded to SPL. Kinetix will break as a 350 experienced at AMP. DE.5 is correct in the SPC will be less prone to slipping when you torque them way pass what is called out. Or you could create a bracket to lock everything in place like Baer383 did back in the day.
"SPC camber arm fix"