Originally Posted by
Wildcat1971
I run the stock inserts on my JC tires. they are fine for my track.
At our track the stock work but with the JC Ripps and that's it. Super soft. I prefer the form fit of the optional inserts over the stock ones. But thanks for rubbing that in......

http://www.jconcepts.net/store/index...roducts_id=465