VP-PRO provide the latest Grass tires says VP-458 to some of drivers for test purpose.  During 1 week practice before competition, VP-458 makes a great performance in both speed and durability.

Unfortunately it rained all the time causes the floor wet and slippery,drivers choose to use VP-458-MS3 for competition finally and again, it makes perfect in supporting force and traction. Finally, Mr. Chendijia get TQ and A-main 1st.     

PS: Six of the top 10 drivers used VP-458-MS3 tires