A garage door opener spring would be worth checking out, if you're in the market to improve your door's performance. Garage door opener springs are durable, practical and affordable. You can find garage door opener torsion springs, garage door opener tension springs as well as garage door opener extension springs among other products. A garage spring can certainly prolong the life of a door. No matter whether you're looking for garage door spring replacements, garage door opener springs or garage door side springs, you're sure to find a model that fits your particular door just right. 
CABLES FOR TORSION SPRINGS
"National Mfg. N280362 - 8'8"" Torsion Cable, 1/8"" cable, 8'8"" long with drum stop and loop. For double and single torsion spring doors up to 7' high. 1 pair per card. Galvanized finish." GREAT SERVICE AND VERY FAST SHIPPING AND I HAD 100%FEEDBACK BEFORE I CHANGEDTO A PRO MERCHANT AND LOST IT" 
Holmes One Piece Garage Door Springs P728 (Pair)
"Holmes P728 one piece garage door springs. There are normally 2 P728 springs on a heavier 2 car 16-foot wide 7 foot high or larger aluminum one piece garage doors one on each side. Two springs included." These door springs can be found at amazon.com
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