The Zone Offroad 2" lift kit for the Jeep Wrangler YJ comes with everything you need. Front and rear leaf springs with bushings and zinc plated u-bolts, front brake line relocation brackets and 4 Hydro shocks. Shock boots sold separately. Zone leaf springs are designed to significantly decrease leaf pack internal friction for a smooth and consistent spring rate. They bolt together with Hendricks clamps to maintain leaf alignment. This 4-leaf pack comes with anti-friction pads and center leaf spacer plates between each leaf.