http://www2.towerhobbies.com/cgi-bin...ip&FVPROFIL=++
For a few of the death grip products.
Here is the one you want itself:
http://www2.towerhobbies.com/cgi-bin...?&I=LXWS71&P=7
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Also if you want your own home made tire cleaner. Use 1:1 solution of simple green and rubbing alcohol. It will also enhance grip.