73-87 Chevy 4.5" Rear Shackle Flip

1973-1987 Chevy 1/2-3/4 Ton 4.5" Lift Rear Shackle Flip Kit and Heavy Duty Shackles.Includes all hardware to mount, (12) 7/16ths bolts nuts and flat washers and the option to add our Heavy Duty Shackles!Easy install, uses factory rivet locations on 73-87 trucks, and 73-92 Suburban. Fits 1/2 and 3/4 ton trucks only at this time, 1 ton frame is about 2" wider.Compare our design to others, they are not even close. These weigh 30 pounds a pair!Extreme duty 1/4 and 3/16ths steel.Laser cut, CNC formed, Mig welded 100% USA made materials and labor, no cheap off shore steel here!Sky's Off Road Design heavy duty 3/8ths thick shackles. Shackles are 4.5 eye to eye, laser cut and formed steel, with 1.625 .120 DOM bushing tube welded to shackle to help support them.Bolt and sleeve size is 9/16ths. Inner width of the shackle at the spring end is 3". Tube with bushing width is 3" as well. This design is superior to flat shackle hanging from a central point as the captured bushing design eliminates ex