System Benefits: Complete Bolt in SystemExcellent Highway Ride and Handling Improved Off-Road AbilityCaster Correcting High Clearance Front Lower Control ArmsLong Travel Functional Multi Rate Coil SpringsPRO Front Sway Bar Disconnects/Extended Links 33 or 35 Inch 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 (1) Adjustable front sway bar disconnects(1) Pair of front sway bar straps(1) Rear track bar relocation bracket(2) Long travel front stainless steel brake lines, hardware and detailed instructions. RRD Spec'd Prodigy Shocks 2 Door Front: RRD02173 Rear: RRD02174 *Requires 2 bump stops front and rear 2 Door Front: RRD02173RR Rear: RRD02174RRD, RRD02174RRP *Requires 2 bump stops front and rear Bilstein 5100 Shocks: Bilstein Part # Bump Stop Front 24-186995 2 Rear 24-146715 2 (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 these 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 2 bump stops - 16 Collapsed to 28 Extended Generic Rear Shock Recommendation with 2 bump stops - 16 Collapsed to 26 Extended NOTES! - We typically 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.