This is a U-bolt top cap/plate for Chevy and GMC trucks with 3" wide rear springs and square shaped U-bolts.   This part fits the following make/models: 2011 - 2018 Chevy/GMC 2500HD/3500HD What's In The Box:1 Top Cap/Plate

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-167		1400lbs	4

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness -2/.291, 2/.262 Main leaf A length - 11-1/5” Main leaf B length - 11-1/5" Bushing - Two Nylon Included Capacity - 1400lbs Arch - 3-3/8” Shipping weight - 9lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-285		4000lbs	7

  Leaf Spring Specifications: Width -   2“ Number of leaves - 7 Individual leaf thickness -7/.360  Main leaf A length - 12” Main leaf B length - 16" Bushing - One Nylon Included Capacity - 4000lbs Arch - 3-1/8” Shipping weight - 27lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-219		1250lbs	3

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -2/.323, 1/.291 Main leaf A length - 13-5/16” Main leaf B length - 13-5/16" Bushing - Two Nylon Included Capacity - 1250lbs Arch - 3-3/16” Shipping weight - 10lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-223		3380lbs	6

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 6 Individual leaf thickness -3/.360, 3/.323 Main leaf A length - 13-1/4” Main leaf B length - 13-1/4" Bushing - Two Nylon Included Capacity - 3380lbs Arch - 3” Shipping weight - 19lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-264		2150lbs	4

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness -4/.360  Main leaf A length - 13-1/2” Main leaf B length - 14" Bushing - One Nylon Included Capacity - 2150lbs Arch - 3-1/2” Shipping weight - 15lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-114		1500LBS	4

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness -4/.291 Main leaf A length - 12-1/3” Main leaf B length - 12-5/8" Bushing - Two Nylon Included Capacity - 1500lbs Arch - 3-1/2” Shipping weight - 11lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-220		2000lbs	3

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -2/.401 1/.360 Main leaf A length - 13-1/4” Main leaf B length - 13-1/4" Bushing - Two Nylon Included Capacity - 2000lbs Arch - 3” Shipping weight - 12lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-047		1653lbs	3

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -3/.360 Main leaf A length - 12-1/8” Main leaf B length - 14-1/2" Bushing - One Nylon Included Capacity - 1653lbs Arch - 4” Shipping weight - 11lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-169		1000lbs	3

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -3/.262 Main leaf A length - 11-1/5” Main leaf B length - 11-1/5" Bushing - Two Nylon Included Capacity - 1000lbs Arch - 3-1/5” Shipping weight - 7lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-263		1625lbs	3

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -3/.360  Main leaf A length - 13-1/2” Main leaf B length - 14" Bushing - One Nylon Included Capacity - 1625lbs Arch - 3-1/2” Shipping weight - 12lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-221		3000lbs	4

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness - 3/.401, 1/.360 Main leaf A length - 13-1/4" Main leaf B length - 13-1/4" Bushing - Two Nylon Included Capacity - 3000lbs Arch - 3" Shipping weight - 15lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-161		4000lbs	6

  Leaf Spring Specifications: Width -   2“ Number of leaves - 6 Individual leaf thickness -6/.401  Main leaf A length - 14-1/4” Main leaf B length - 16-1/2" Bushing - One Nylon Included Capacity - 4000lbs Arch - 3-1/2” Shipping weight - 28lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-111		3000lbs	5

  Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 5 Individual leaf thickness - 5/.360 Main leaf A length - 13-1/4" Main leaf B length - 13-1/4" Bushing - Two Nylon Included Capacity - 3000lbs Arch - 3" Shipping weight - 16lbs What is included: One leaf spring