Extension Springs
Extension springs stretch along the horizontal tracks to counterbalance the garage door. They are rated by counterbalance weight with a unique color code.
- Extension springs for 7ft tall doors are 25″ relaxed and stretch 42″
- Extension springs for 8ft tall doors are 30″ relaxed and stretch 48″
Our extension springs are high cycle (25,000 cycle) springs made int he U.S.A. for longer lifespan.
Extension springs from 40lbs to 180 lbs are double looped ends. All springs 200 lb and over are clip ended for added strength.
Although extension springs have color codes always weigh your door with a scale for safety and accuracy. Extension springs are always sold in pairs.
Extension Springs
Extension Springs
Extension Spring 60 LB Brown (PAIR) – 7 FT Tall Door 25-42-60
Extension Springs
Extension Spring 70 LB Orange (PAIR) – 7 FT Tall Door 25-42-70
Extension Springs
Extension Spring 80 LB Gold (PAIR) – 7 FT Tall Door 25-42-80
Extension Springs
Extension Spring 90 LB Lt Blue (PAIR) – 7 FT Tall Door 25-42-90
Extension Springs
Extension Spring 100 LB Tan (PAIR) – 7 FT Tall Door 25-42-100
Extension Springs
Extension Spring 110 LB White (PAIR) – 7 FT Tall Door 25-42-110
Extension Springs
Extension Spring 120 LB Green (PAIR) – 7 FT Tall Door 25-42-120
Extension Springs
Extension Spring 130 LB Yellow (PAIR) – 7 FT Tall Door 25-42-130
Extension Springs
Extension Spring 140 LB Blue (PAIR) – 7 FT Tall Door 25-42-140
Extension Springs
Extension Spring 150 LB Red (PAIR) – 7 FT Tall Door 25-42-150
Extension Springs
Extension Spring 160 LB Brown (PAIR) – 7 FT Tall Door 25-42-160
Extension Springs
Extension Spring 170 LB Orange (PAIR) – 7 FT Tall Door 25-42-170
Extension Springs
Extension Spring 180 LB Gold (PAIR) – 7 FT Tall Door 25-42-180
Extension Springs
Extension Spring 100 LB Tan (PAIR) – 8 FT Tall Door 30-48-100
Extension Springs
Extension Spring 150 LB Red (PAIR) – 8 FT Tall Door 30-48-150
Extension Springs
Extension Spring 190 LB Lt Blue (PAIR) – 7 FT Tall Door 25-42-190
Extension Springs
Extension Spring 200 LB Tan (PAIR) – 7 FT Tall Door 25-42-200
Extension Springs
Extension Spring 220 LB Green (PAIR) – 7 FT Tall Door 25-42-220
Extension Springs
Extension Spring 240 LB Blue (PAIR) – 7 FT Tall Door 25-42-240
Extension Springs
Extension Spring 260 LB Brown (PAIR) – 7 FT Tall Door 25-42-260
Extension Springs
Extension Spring 300 LB Tan (PAIR) – 7 FT Tall Door 25-42-300
Extension Springs
Extension Spring 320 LB Green (PAIR) – 7 FT Tall Door 25-42-320
Extension Springs
Extension Spring 330 LB Yellow (PAIR) – 7 FT Tall Door 25-42-330
Extension Springs
Extension Spring 340 LB Blue (PAIR) – 7 FT Tall Door 25-42-340
Extension Springs
Extension Spring 360 LB Brown (PAIR) – 7 FT Tall Door 25-42-360
Extension Springs
Extension Spring 380 LB Gold (PAIR) – 7 FT Tall Door 25-42-380
Extension Springs
Extension Spring 400 LB Tan (PAIR) – 7 FT Tall Door 25-42-400