In number of leaves it says 7(6/1). What does that mean? ()

2000 - 2013 Suburban 2500 / Yukon XL 2500 heavy duty rear leaf spring, 3700 lbs capacity, 7(6/1) leaves

Spring Capacity = 3700 Pounds
Width = 2-1/2"
# of Leaves = 7(6/1)
Measures (A/B) = 30" x 30"
Pack Thickness = 3-11/16"
Bushings Included
Sold Per Side - Order Quantity 2 for a pair

Heavy Duty Replacement Suburban 2500 / Yukon XL 2500
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1999 - 2010 2500 / 3500 rear leaf spring, 3600 lbs capacity, 7(6/1) leaves

Spring Capacity = 3600 Pounds
Width = 2-1/2"
# of Leaves = 7(6/1)
Measures (A/B) = 32" x 32"
Pack Thickness = 3-11/16"
Bushings Included
Front Eye Uses 5/8 x 4-1/2 Bolt
Rear Eye and Shackle Eye Use 9/16 x 4-1/2 Bolt
Heavy Duty Replacement <... See More

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1969 - 1972 GM Pick Up Rear Leaf Spring, 3390 lbs capacity, 7(6/1) leaf

Spring Capacity = 3390 Pounds
Width = 2-1/2"
# of Leaves = 7(6/1)
Measures (A/B) = 26" x 26"
Pack Thickness = 2-13/16"
Includes Bushings
9/16" Bolt Size Front and Rear Bushing
Sold Per Side - Order Quantity 2 for a pair

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1973 - 1987 GM 4x4 Pickup and Suburban (K10 / K20) rear leaf spring, 2775 lbs capacity, 7(6/1) leaves, 52" spring

Spring Capacity = 2775 Pounds
Width = 2-1/2"
# of Leaves = 7(6/1)
Measures (A/B) = 26" x 26"
Pack Thickness = 2-11/16"
Bushings Included
Sold Per Side - Order Quantity 2 for a Pair

5160 Steel - Heat Treated and Shot Peened
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1989 - 1991 Suburban 4x4 rear leaf spring, 7(6/1) leaves, 2300 lbs capacity

Spring Capacity = 2300 Pounds
Width = 2-1/2"
# of Leaves = 7(6/1)
Measures (A/B) = 26" x 30"
Pack Thickness = 3-3/16"
Bushings Included
GM OEM 15565395
Sold Per Side - Order Quantity 2 for a pair

5160 Steel - Heat Treated and Shot Peen... See More

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