Garage door torsion spring calculator by weight

If you are up to the job of replacing the springs yourself, costs for parts alone range from about $65 to $85 for a pair of torsion springs, or $25 to $40 for a pair of extension springs. Extension springs, however, are often sold in kits that include other parts, such as door rollers. Costs for a complete kit can increase the cost to $75 or more. In this guide, we will show you how to replace garage door torsion springs and the tools required for the job. At a high level, there are about 8 steps to replace your garage door springs: Grab the correct tools; Measure and find the correct size torsion springs; Close garage door; Ensure the garage door opener is unplugged; Affix a C-clamp to.