Paragon Racing traction compounds have been the choice of more A main drivers than all other traction products, COMBINED.  Ground Effects was the original Paragon traction formulation that rendered all others obsolete.   Specially formulated to give the racer the ultimate in tire traction, each ingredient performs a specific task in the tire adhesion process.  Ground Effects insures unsurpassed acceleration and control through every curve and corner- all the way to the finish line.                      NOTE: Ground Effects has a wintergreen scent that may not be allowed at some indoor tracks.  Check with your track before purchasing.  * Check other listings for more Paragon Racing traction products such as FX II, Special FX and Traction Action. Superior performance fluids from Paragon Racing Products. Limited time bonus:  Free Paragon decal sheet included with each order!