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Good seller. Fast shipping. Accurate parts.

Part arrived quickly and was exactly what was needed to complete repair. Thanks you for your expedient and professional transaction.

Part was as described, great price and fast delivery. Great company to deal with.

I have them on a 8 foot door. They stretch out to 71 inches with the door closed seem to work just fine. I do have a safety cable passing through the springs.

As a first time re-assembler of a garage door opener, the replacing of the gear and sprocket mechanism ended up being straightforward enough for me to enjoy the satisfaction of having done a good job. Thanks to Preferred Doors Service for providing the goods I needed to look good