Heavy Duty 140 Lb Garage Door Extension Springs Set for 7 Foot Doors Black Electrocoated Coating for Corrosion Resistance Minimum 18000 Cycles Replacement Pair for Smooth Lifts and Long Lasting Performance

Heavy Duty 140 Lb Garage Door Extension Springs for 7 ft
✔️ Replacement pair of heavy-duty springs with corrosion protection

These extension springs are designed to replace worn, rusted, or dangerous springs on 7 ft garage doors. They deliver stronger, smoother lifts and long-lasting performance thanks to heat-treated steel and an electrocoated coating for corrosion resistance.

✅ 140 lb weight capacity per spring; weigh your door if unsure of weight
✅ Replacement pair included to maintain balanced door operation
✅ Heavy-duty heat-treated spring steel with black electrocoated coating
✅ Rated for up to 18,000 cycles for long-lasting performance
✅ Fits 7-foot garage doors and is anti-rust for indoor/outdoor use

💡 What is the main function of a 140 lb extension spring set for a 7 ft garage door? This kit helps restore balanced lifting and safe operation by replacing worn springs on a standard 7 ft door. - balances door weight for smooth operation - replacement pair ensures even tension - corrosion-resistant coating for indoor/outdoor use - long life through high cycle rating