Springs

Extension Spring Lift Containment Hardware Kit for doors up to 100lbs

SKU: ES-HARDWAREKIT-1

Money Back Secure Shopping Guarantees
Description

Extension Spring Lift and Safety Containment Kit for 7ft and 8ft doors up to 100lbs.

This hardware set is specially designed for garage doors weighing up to 100 lbs and comes equipped with everything you need for installation. The set includes (4) 3" diameter steel extension spring pulleys, capable of supporting up to 100 lbs, (1) pair of 1/8" spring cables and a pair of safety cables specifically made for 7-8ft garage doors with extension springs, and all necessary nuts and bolts. This set of garage door extension springs offers reliable and long-lasting performance, thanks to its durable steel construction. Grab one of these hardware sets for a hassle-free upgrade to your extension springs system.

NOT COMPATIBLE WITH TORSION OR TORQUEMASTER SPRING SYSTEMS.

Includes:

  • 4 - 3" Standard Duty Pulleys for 100# load
  • 1 - Pair 7x7 strand 1/8" Spring Cables 160"
  • 1 - Pair 7x7 strand 1/8" Safety Cables 160"
  • 2 - 3" Pulley Strap w/ Containment Cable Offset & Nylon Bushing
  • 2 - 3 Hole Cable Clip
  • 2 - 3 Hole L Cable Adjusting Clip
  • 2 - S Hooks
  • 2 - 5/16” Eye Bolts
  • 4 - 5/16” Red Coated Nuts
  • 4 - Washers
  • 4 - 3/8" Red Coated Nuts
  • 4 - 3/8" Red Coated Bolts
  • 2 - 5/16" Hex Lag Screws

Specifications:

  • Rated for 100# load on 7' and 8' doors
  • Zinc Plated
  • Heavy duty steel extension spring replacement hardware kit
  • Made of quality materials and built to last

Take a look at this diagram to see the different spring types:

Garage Door Spring Types
Instructions

Here are some great how to guides on extension spring install:

Click here to download instruction manual

Compatibility

Compatible with:

  • Most residential steel and wood 7ft height doors weighing up to 200lbs with standard lift Extension Springs 

NOT COMPATIBLE WITH TORQUEMASTER OR TORSION SPRING SYSTEMS. ONLY EXTENSION SPRINGS!

Reviews
FAQs
Garage Door Quieting Kit

How to Install a Garage Door Quieting Kit: Complete Guide

December 09, 2025 4 min read

We've found that replacing the majority of the hinges and installing the rest of the kit does a pretty good job of silencing the door without needing to deal with that bottom roller. If you really feel it needs to be changed, we have a separate process for that, but it's not necessary for most installations.

Read more about How to Install a Garage Door Quieting Kit: Complete Guide
How to Order the Correct Torquemaster Spring

How to Order the Correct Torquemaster Spring | Height & Weight Method

December 09, 2025 3 min read

Stop guessing your TorqueMaster spring. If the sticker is gone or unreadable, measuring your door height and weight is the only reliable way to get the right replacement the first time.
Read more about How to Order the Correct Torquemaster Spring | Height & Weight Method
Torque Master Spring Installation Made Easy 6 Simple Steps

Torque Master Spring Installation Made Easy: 6 Simple Steps

October 19, 2025 4 min read

Installing Torque Master springs might seem intimidating at first, but with the right tools and step-by-step guidance, it's a manageable DIY project.

Read more about Torque Master Spring Installation Made Easy: 6 Simple Steps
```html ```
Description

Extension Spring Lift and Safety Containment Kit for 7ft and 8ft doors up to 100lbs.

This hardware set is specially designed for garage doors weighing up to 100 lbs and comes equipped with everything you need for installation. The set includes (4) 3" diameter steel extension spring pulleys, capable of supporting up to 100 lbs, (1) pair of 1/8" spring cables and a pair of safety cables specifically made for 7-8ft garage doors with extension springs, and all necessary nuts and bolts. This set of garage door extension springs offers reliable and long-lasting performance, thanks to its durable steel construction. Grab one of these hardware sets for a hassle-free upgrade to your extension springs system.

NOT COMPATIBLE WITH TORSION OR TORQUEMASTER SPRING SYSTEMS.

Includes:

  • 4 - 3" Standard Duty Pulleys for 100# load
  • 1 - Pair 7x7 strand 1/8" Spring Cables 160"
  • 1 - Pair 7x7 strand 1/8" Safety Cables 160"
  • 2 - 3" Pulley Strap w/ Containment Cable Offset & Nylon Bushing
  • 2 - 3 Hole Cable Clip
  • 2 - 3 Hole L Cable Adjusting Clip
  • 2 - S Hooks
  • 2 - 5/16” Eye Bolts
  • 4 - 5/16” Red Coated Nuts
  • 4 - Washers
  • 4 - 3/8" Red Coated Nuts
  • 4 - 3/8" Red Coated Bolts
  • 2 - 5/16" Hex Lag Screws

Specifications:

  • Rated for 100# load on 7' and 8' doors
  • Zinc Plated
  • Heavy duty steel extension spring replacement hardware kit
  • Made of quality materials and built to last

Take a look at this diagram to see the different spring types:

Garage Door Spring Types
Instructions

Here are some great how to guides on extension spring install:

Click here to download instruction manual

Compatibility

Compatible with:

  • Most residential steel and wood 7ft height doors weighing up to 200lbs with standard lift Extension Springs 

NOT COMPATIBLE WITH TORQUEMASTER OR TORSION SPRING SYSTEMS. ONLY EXTENSION SPRINGS!

Reviews
FAQs