this is one of the balancers, the spring is stamped 7.5 31" and a number 52323.the window weighs 14.1 lbs, measured it on a scale. I believe the spring can be replaced with a 160?.I will need 4 of each part listed , just want to make sure I'm getting correct parts. parts required. 4 7.5 lb springs
4 pivot shoes part #15-191?
4 bumpers
4 1/2 inch coil spring single support 15-150S ?
any help would be appreciated, thanks,
brian
