My Roadster had the 22 year old Pirelli's in the back that were on the car when I got it. It also had some 16 year old Dunlops on the front - probably only had about 500 miles on them

So I got some new Kuhmos - WOW what a difference in ride quality - it's like I installed an air suspension compared to the old. it is so smooth it's disconcerting. I am not sure how sticky these are but the improvement in ride quality is astounding. Here are some in process shots, I'll add the final product shots later.