LIQUID SPEED LS4
LS4 External prep for wet, cold, lower bite tracks. LS4 is an aggressive tire softner that does not come back out of the tire once used. Use on the outside only. LS4 can be used weekly to soften tires for wet track racing.

It can also be used at the track for quick softening or used to “fire” tires off on lower bite tracks. LS4 should be used in conjunction with LS3. LS4 can also be “weakened” by adding twenty five percent of fifty percent of LS2. When using LS4 in conjunction to LS3 it is for a wet surface. Use approximately ninety cc’s to one hundred twenty cc’s of LS3 internally.

Then by either pan rolling or wiping. Use LS4 to soften tires to desired durometer reading.