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EXTENSION SPRINGS
Left and right wound. 7ft and 8ft standard. Safety cable compatible. High-cycle rated.
Product Image
Specifications
| Material | High-carbon steel |
| Surface | Black or galvanized |
| Door Heights in stock | 7ft |
| Load ratings | 100LB and 150LB pairs |
| Winding | Left and right pairs |
| Compatibility | Standard residential extension spring systems |
Safety cables required by code — available separately.
Garage Door Parts
Extension Springs
Left and right wound extension springs for 7ft and 8ft single-car residential doors. Safety cable compatible — required in most jurisdictions. Oil-tempered wire, open loop ends. Always install with safety cables.