These are custom pistons that we generally stock that the manufacturers do not, due to low popularity. XT Series pistons are made for us by Wiseco for our own inventory. As customs, they are not skirt coated but can be done on a custom basis.
The XTP Series is custom made for us by CP Pistons and is listed in the CP Piston section. But we suggest searching by engine code on the left side (or click here)