Looking for 10 upper and lower or a if both are a set. counter balances for better bilt vinyl windows sold at lowes in 2007.
Paul from SWISCO responded:
January 31, 2017
I recommend looking at our 15-180 pivot shoe, 15-182 busing, 15-186 coil clip, and Series 190 coil spring. You will need the number stamped on the old spring to determine the best option.