Item ID 1072 , 91635B Spring Eye Bolt 9/16" Diameter x 3 1/2" Long - Grade 5 - use with 2" wide slipper springs. 

Trailtech Item ID:  1072

Vendor Part #:  91635B    

Description:  Spring Eye Bolt 9/16" Diameter x 3 1/2" Long - Grade 5 - use with 2" wide slipper springs.  Uses 006-007-01 lock nut.

Axle Suspension Type    Leaf Spring Suspension
Leaf Spring Type            Slipper
Hardware Use                Spring Eye
Hardware Finish             Plain
Suspension Hardware Length             3 1/2"
Leaf Spring Width                               2"
Bolt Type                        Hex Bolt
Suspension Bolt Size                            9/16"-18
Shackle Strap / Bolt / Nut Diameter    9/16"-18
Shackle Strap / Bolt / Nut Length        3 1/2"
Hardware Grade                                    5
Package Type                Bulk
Package Quantity         1-Each  

Alternate:  100-026, 27-015, 270300, 27-17, 30-501, 7-17, 4113-7, 9000031, AXL126782, D55-91635B