Garage springs are under an extreme amount of tension and either stretch or torque providing enough force to help you move the door.
Garage door spring pulley.
Dura lift 0 225 in x 2 in left and right wound 2 pack red steel garage door torsion spring.
Since all the pulleys in the extension spring system are used approximately the same amount each time the garage door opens and closes we recommend that you replace all four pulleys this will save you time and reduce shipping costs.
Cre8tive hardware 6 pack black plastic garage door decorative magnetic hinge and handle set.
Garage door extension springs stretch to provide lifting power for the door.
At our parts page you will find a variety of pulleys you can purchase for your garage door.
Heavy duty garage door 3 pulley kits 3 8 bore 200lb load rating kits including 2 stationary pulleys and 2 rear wheel pulleys with clevis fork 2 bolts 3 8 16 x 2 long and 2 serrated flange nuts.
These springs are typically made of steel and mounted above the horizontal track of the garage door.
Also explains when they need to be replaced signs they need replac.
Kyle shows you all about our high cycle rated 3 inch garage door extension spring pulley.
On this door 3 inch pulleys equivalent to our pu 30s were replaced with our pu 30h which is rated to last twice as long.