Extension Spring 8' Door. 29X48" 150 lbs. Double-loop - The EA price is for only one spring. -50% Off - The EA price is for only one spring.

$31.21 per pair

Product Description

Extension Springs For use with 8' High Doors. 29X48" Stretch, 29" long, 150 lbs lift when stretched an additional 48" from 29."
A pair of these springs will counterbalance an 8' high door that weighs 150 pounds. See our explantion here.
Double-loop Ends
Sold as new pair

Note: Only one quantity per cart-last of stock
IMPORTANT: Due to supply chain shortages we currently do not offer quantity discounts, and for some of our products we are limiting the quantities that may be purchased.

Quantity Discounts

1+: $31.21 per pair
1+: $31.21 per pair
1+: $31.21 per pair



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Huge inventory of parts and torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Please contact us for specialty springs such as TorqueMaster, EZ Set, self-Storage, and steel rolling door springs as many of these have been subject to supply chain shortages. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship.

COVID update. No mask, no service! When picking up parts please wear a mask. We'll gladly provide one. Please honor the six foot social distancing rule. Thank you for your patience and understanding.

Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.