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Extension Springs for 8' High Garage Doors

M. C. Overhead Door Parts carries a large selection of high-quality extension springs. Our garage door springs are proudly made in the USA and assembled with high-quality aluminum cones made in Canada.
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extension spring for 8 ft tall garage door, 70# extension springs for 8 ft tall garage door, 80# extension springs for 8 ft tall garage door, 90#
  • Single Extension Spring for 8' High Door, 70 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 70 Pound Per Pair
  • DASMA Color Coded: Orange
  • Requires a Set of Two For 70 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 80 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 80 Pound Per Pair
  • DASMA Color Coded: Gold
  • Requires a Set of Two For 80 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 90 lbs.
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 90 Pound Per Pair
  • DASMA Color Coded: Light Blue
  • Requires a Set of Two For 90 Pound Door
  • Sold Per Each
extension springs for 8 ft tall garage door, 100# extension springs for 8 ft tall garage door, 110# extension springs for 8 ft tall garage door, 120#
  • Single Extension Spring for 8' High Door, 100 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 100 Pound Per Pair
  • DASMA Color Coded: Tan
  • Requires a Set of Two For 100 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 110 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 110 Pound Per Pair
  • DASMA Color Coded: White
  • Requires a Set of Two For 110 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 120 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 120 Pound Per Pair
  • DASMA Color Coded: Green
  • Requires a Set of Two For 120 Pound Door
  • Sold Per Each
extension springs for 8' high door 130# extension springs for 8' high door 140# extension springs for 8 ft tall garage door, 150#
  • Single Extension Spring for 8' High Door, 130 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 130 Pound Per Pair
  • DASMA Color Coded: Yellow
  • Requires a Set of Two For 130 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 140 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 140 Pound Per Pair
  • DASMA Color Coded: Blue
  • Requires a Set of Two For 140 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 150 lbs
  • Double Looped Ends ~
  • 27" Relaxed, 48" of Stretch
  • Rated 150 Pound Per Pair
  • DASMA Color Coded: Red
  • Requires a Set of Two For 150 Pound Door
  • Sold Per Each
extension springs for 8 ft tall garage door, 160# extension springs for 8 ft tall garage door, 170# extension springs for 8 ft tall garage door, 180#
  • Single Extension Spring for 8' High Door, 160 lbs
  • Double Looped Ends ~
  • 27" Relaxed, 48" of Stretch
  • Rated 160 Pound Per Pair
  • DASMA Color Coded: Brown
  • Requires a Set of Two For 160 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 170 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 170 Pounds Per Pair
  • DASMA Color Coded: Orange
  • Requires a Set of Two For 170 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 180 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 170 Pounds Per Pair
  • DASMA Color Coded: Gold
  • Requires a Set of Two For 180 Pound Door
  • Sold Per Each
extension springs for 8 ft tall garage door, 190# extension springs for 8 ft tall garage door, 200# extension springs for 8 ft tall garage door, 210#
  • Single Extension Spring for 8' High Door, 190 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 190 Pounds Per Pair
  • DASMA Color Coded: Light Blue
  • Requires a Set of Two For 190 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 200 lbs
  • Double Looped Ends
  • 27" Relaxed, 48" of Stretch
  • Rated 200 Pounds Per Pair
  • DASMA Color Coded: Tan
  • Requires a Set of Two For 200 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 210 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 210Pounds Per Pair
  • DASMA Color Coded: White
  • Requires a Set of Two For 210 Pound Door
  • Sold Per Each
extension springs for 8 ft tall garage door, 220# extension springs for 8 ft tall garage door, 230# extension springs for 8 ft tall garage door, 240#
  • Single Extension Spring for 8' High Door, 220 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 220 Pounds Per Pair
  • DASMA Color Coded: Green
  • Requires a Set of Two For 220 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 230 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 230 Pounds Per Pair
  • DASMA Color Coded: Yellow
  • Requires a Set of Two For 230 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 240 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 240 Pounds Per Pair
  • DASMA Color Coded: Blue
  • Requires a Set of Two For 240 Pound Door
  • Sold Per Each
extension springs for 8 ft tall garage door, 250# extension springs for 8 ft tall garage door, 260# extension springs for 8 ft tall garage door, 280#
  • Single Extension Spring for 8' High Door, 250 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 250 Pounds Per Pair
  • DASMA Color Coded: Red
  • Requires a Set of Two For 250 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 260 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 260 Pounds Per Pair
  • DASMA Color Coded: Brown
  • Requires a Set of Two For 260 Pound Door
  • Sold Per Each
  • Single Extension Spring for 8' High Door, 280 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 280 Pounds Per Pair
  • DASMA Color Coded: Gold
  • Requires a Set of Two For 280 Pound Door
  • Sold Per Each
extension springs for 8 ft tall garage door, 290# extension springs for 8 ft tall garage door, 300#
  • Single Extension Spring for 8' High Door, 290 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 290 Pounds Per Pair
  • DASMA Color Coded: Light Blue
  • Requires a Set of Two For 290 Pound Door
  • Sold Per Each
  • Extension Spring for 8' High Door, 300 lbs
  • Clip End
  • 27" Relaxed, 48" of Stretch
  • Rated 300 Pounds Per Pair
  • DASMA Color Coded: Tan
  • Requires a Set of Two For 300 Pound Door
  • Sold Per Each