[Q] Can i install [Z1 series][LB/UB][Advanced]RockZ1k_V-2.1 on Z1S with

[laloalire]

Hello guys, i have a Z1s with root and dual recovery, and i want to know if is possible to install the rom "[Z1 series][LB/UB][Advanced]RockZ1k_V-2.1 [Kernel Updated 05/03]" because looks like its for LBL and ULB.
I really appreciate your time to answer me, thanks.