Rear spring installation set for mono-leaf or multi-leaf springs. Sets come complete with rear shackles, U-bolts, upper and lower spring pads, spring eye bolts, and clips and screws for mounting. The 1967-70 shackle sets include the correct plates, bushings, bolts and nuts for authenticity. Sets are available for mono or multi leaf installation. Note: Some models were not originally equipped with rear sway bars. These kits include 4 U-Bolts. Sets for models originally equipped with sway bars include 2 U-bolts and 4 T-bolts.