THIS PREP IS WIPED DURING THE WEEK FOR CONDITIONING AND AT THE TRACK ACCORDINGLY. IT'S A VERY VERSATILE PREP THAT CAN BE CUT AND MIXED WITH OTHERS AS NEEDED TO SEEK A DESIRED EFFECT PER TRACK CONDITIONS. YELLOW CRUSH IS A GREAT COMPLIMENT TO INSIDE AGGRESSIVE AND CAN BE USED ON CONDITIONS VARYING FROM A MID DAY QUALIFYING TO EVENING RACING WHEN TRACK MOISTURE IS HIGHER AND BITE IS NEEDED. THER VERSATILITY OF THIS PREP ALLOWS YOU TO RUN THE SAME TIRES THROUGHOUT THE DAY WITHOUT HAVING TO WIPE MULTIPLE CHEMICALS ON THE SAME TIRES.