Associated shock bodies come in a easy-to-build seal package. Simplified build uses two O-rings and one spacer. Threaded lower seal cap made of low-friction material and acts as a guide bushing. Designed to last longer between rebuilds. Threaded shock collars with O-rings to keep the settings secure. Works with existing shock shafts, pistons, O-rings, shock ends, spring cups, and shock caps. Included in package: bodies, threaded collars, collar O-rings, seal cap, seal spacer. Contains parts to convert one pair of existing shocks.