I have a Powertrax No-Slip (not the Lock-Right)that only has a few thousand miles on it(no issues I just went with 33 spline axels). Worked Great and that's what was in when I ran my 11.59 and 1.66 60 foot. It only has 6 track passes by the way.
Part #9207852805 Powertrax No-Slip Traction Systems: PWT-92-0785-2805 - summitracing.com
Summit and jegs sell them for 469.99