This is good info as I am about to replace the clutch on my 13 Boss with 13K miles. I get locked out of 5th on the track and have decided enough is enough. So why the RST over the RXT? I also considered an Exedy from Kohr but couldn't decide on a single or twin disc. Exedy isn't cheap but after buying a lightweight flywheel the McCloud isn't either. So my question......go with a twin disc over single?
Get a twin disc - smaller diameter than the single disc results in less centrifugal force and positive disengagement. I run an RST... lockout problems solved.
Steve