Dr Pulley Sliders will just fine in this variator also.
Kits Includes your choice of weight size, variator ramp plate and backing plate that includes V Sliders on the backing plate an often over looked very important part.
By upgrading the Variator you unrestrict the ramp plate for better top end speed and add take off with more aggressive ramp plate.
No reason to upgrade the variator without doing the weights which determine gear ratio along with variator.
Please choose your gram weight for rollers at 20X15