1" coarse thread Shock Adjuster Kit.
1 - 7" long jack bolt
1 - Jam nut for jack bolt
1 - HD shock Clevis with bolts and spacer (same clevis used on or 3 and 4-link suspension cages)
1 - Teflon tipped set screw
1 - Weld in 1" Coarse nut
Works great to adjust shock center to center length and to change the bump stop load numbers without changing the zero point of spring rate (watch video below).