Pair of 27 by 48-inch extension springs for 8-foot doors with S-hook ends. S-hooks are the standard connection between the spring, the rear bracket, and the pulley assembly. Lift ratings range from 70 to 210 pounds, selected from the dropdown. The 27 by 48 sizing is what fits 8-foot standard-lift track, so don't order the 25 by 42 set if your door is 8 feet. A spring that's too short or too long won't track right and can bind. Always do both springs together. Check your door weight against the lift rating options before adding to cart.
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