How to Measure a Torsion SpringHow to Measure a Torsion Spring
What is a High Cycle Spring?What is a High Cycle Spring?

1 Pr Torsion Springs. 1 Pr Pro Winding Tools, 1 Pr Cables, 2 End Bearing Plates, 1 Center Bearing Plate.

1 Pr Torsion Springs. 1 Pr Pro Winding Tools, 1 Pr Cables, 2 End Bearing Plates, 1 Center Bearing Plate.
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How measure for replacement springs

PLEASE NOTE, Any variation of your actual spring dimensions will alter counterbalance and affect the overall life of the replacement spring. Here are the instructions on how to measure your existing spring. If you need help, contact customer support at 1-800-829-6002


Please Double Check all your measurements

Springs Are Custom Made to Your dimensions

Spring Orientation

The spring shown above is a Right Hand Wound Spring which mounts to the left side of center(Red) End. A spring mounted on the right side of center is left hand wound(black end)Doors that have two springs have both right hand and left hand wound.

Measure The Overall Length Of Your Garage Door Spring--UNWOUND.Take all your measurements from the broken spring. Measure the spring only from coil to coil. Do not include the winding and stationary ends.

Measure the Inside Diameter Of Your Garage Door Spring
It will be one of the following:

1 3/4"
2 1/4"
Raynor Garage Door Springs only

Alternate Method

Look for a number imprinted on the winding end(shown above).

1.75=1 3/4" I.D.
2.00=2" I.D.
If it says Raynor it is a 2 1/4" I.D.

Determine The Wire Size

Measure the length of 10 coils.
Refer to Wire Chart. Example: 10 coils measures 2 1/4" = .225 wire size.

Also Measure the length of 20 Coils
20 Coils measures 4 1/2"=.225 wire size.

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Wire Chart
Length of 10 Coils
Wire Size
1 15/16"
2 1/16"
2 3/16"
2 1/4"
2 5/16"
2 7/16"
2 1/2"

Wire Chart
Length of 20 Coils
Wire Size
3 7/8"
4 1/8"
4 3/8"
4 1/2"
4 5/8"
4 7/8"

To Avoid Having to Repeat The Replacement Process

If your door cycles (opens & Closes) more than 3 times a day, we recommend our High Cycle Option.
An inexpensive upgrade that will double the spring cycle life from 10,000 up to 20,000 cycles.

What is a High Cycle Spring?

A high cycle spring is a re-engineered spring base on your existing spring measurements(See Steps 1 thru 4) creating a DIMENSIONALLY larger spring. A High Cycle spring has the same IPPT(Inch Pounds Per Turn) or torque as the existing spring but has 50% less stress when fully wound, lasting 2X longer. The installation and the number of turns are the same as the existing spring.

(Do not use screwdrivers, socket extensions,Re-Bar or anything else other than correct winding tools)

For More Information Call

Torsion springs can be dangerous and may cause serious injury if they are improperly installed or mishandled. DO NOT attempt to install Torsion Springs yourself unless 1) you have the proper tools, reasonable mechanical aptitude and experience. If you are unsure please call a Professional.

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Torsion Spring Replacement Video

You Do It