would the aac piston/liner connecting rod for collari 3port motor (WRXLC12PRO3) fit into the s12-tup 5port? or is the block any different?

likewise would a piston/liner and rod for the new s12wcr slot into my tup and allow me to race 3port, cause i need a decent 3port for this year that way all i'd have to do is buy the sirio pipe, i'm not worried about having a low cg cooling head.