The KSTK1 Stacking Kit is for all LG machines that are 27” wide. However your washer and dryer are different depths. Your dryer is listed at 30 1/4” and your washer is listed at 29 15/16” ... so it seems your dryer would hang over (extend beyond) your washer a bit. Now if that is at all is an issue that would prevent you from being able to stack them using the KSTK1 may be a question to ask Best Buy Appliance Department.