Looking for feedback on shift kits

Can't say anything for Extreme Automatics but I have used CK in a few transmissions I have built for customers. I usually make my own kits and have for about 18 years. None of my customers have any complaints with the CK kit and love the way they shift. Feel and timing. :)
 
Have a the ck shift kit as well as servo in my car, absolutely love it. I had an old art carr kit in my old gn which shifted really hard at part throttle and just firm at full throttle. The ck kit shifts firm at part throttle and hard at full throttle.
 
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