First and most important, think twice about treating the inside of any radial. After you think about it and then you need to say - no not this time.
After you get more experience then think about it again. The way the tire cords are laid in there is a much greater chance for the cords to slip and have tire failure.
Now about treating:
Pure grip will come from Track Tac® SST5-Purple. It will take cure time and you should not rush it.
The Track Tac® SST is great as a pre-race wipe.
You are welcome to call us and we will help with as much information as possible without giving away any customer data.
Hope this helps,
Randy
336-474-3500 office => ask for Chris