System Benefits: Complete Bolt in SystemExcellent Highway Ride and Handling Improved Off-Road AbilityCaster Correcting High Clearance Front Lower Control Arms Pinion Angle Correcting Double Adjustable Rear Upper ArmsLong Travel Functional Multi Rate Coil SpringsPRO Front Sway Bar Disconnects/Extended Links 35 Tires (OEM Fenders)Abuse Proof Lifetime Warranty on All Hard Parts Upgradeable to any other Rock Krawler System System Includes:(4) Long travel functional multi rate coil springs(1) Double adjustable front track bar made from 1.5 solid alloy steel with Anti-Wobble joint (2) High clearance adjustable front lower control arms made of 1.625 solid alloy steel (2) Double adjustable rear upper control arms(2) Adjustable front sway bar disconnects(1) Rear track bar relocation bracket made from thick laser cut steel (1) Pair of front sway bar straps(4) Long travel stainless steel brake lines (2) Extended rear sway bar links, hardware and detailed instructions. RRD Spec'd Prodigy Shocks 4 Door Front: RRD02056 Rear: RRD02057 *Requires 3 bump stops front and rear 4 Door Front: RRD02056RR Rear: RRD02057RRD, RRD02057RRP *Requires 3 bump stops front and rear Bilstein 5100 Shocks: Bilstein Part # Bump Stop Front 24-186995 3 Rear 33-186887 3 (bump stops are sold separately on our components page) If choosing a brand of shock that we have not provided a part number for, match your shock choice as closely as possible to the generic length recommendations below. (We can not ensure that the valving profile in your shock choice will pair well withour kits. This is why we recommend using our RRD Racing shocks or the providedBilstein part numbers) Generic Front Shock Recommendation with 3 bump stops - 17 Collapsed to 29 Extended Generic Rear Shock Recommendation with 3 bump stops - 17 Collapsed to 27 Extended NOTES! - We typcially recommend 4.5 of back spacing on rims for 12.5 wide tires.- For 2012 and newer models an aftermarket front driveshaft with 2 O.D. steel tubing is recommended, but not required.