Part Numbers RS999367 and RS999930 and RS999944 Front Pair of Struts & Springs + Rear pair of 2 shocks for vehicles at factory height or w/0-2" front lift and w/0-1" rear lift; Excl. TRX, Air Suspension, V6 Engine Fits 4WD vehicles Front height not adjustable from specified height. 9 settings of compression and dampening adjustment. Rancho's limited lifetime warranty protects against defects and premature failure. Rancho's 90 day ride guarantee covers RS5000X, RS7000MT, and RS9000XL shocks. Award-winning Rancho QUICKLIFT Loaded assemblies level and lift late-model trucks and SUVs, providing an aggressive stance and allowing for the use of larger wheel and tire packages without the cost of a complete suspension system or the long installation time. Each Rancho quickLIFT Loaded unit is a gas charged complete modular assembly that includes an application-specific, installed coil spring and upper mounting plate to simplify installation. Engineered with the globally renowned and exclusive RS9000XL nine position adjustability, Rancho quickLIFT Loaded units improve performance and provide the ability to manually tune the vehicle's ride to suit terrain and driver preference. Covered by a Limited Lifetime Warranty and 90-Day Free-Ride Offer. Rancho's new RS9000XL shock absorbers feature adjustable damping with either a 2.75- or 2.38-in. diameter reserve tube. This massive shock body allows the RS9000XL to run cooler and more consistent even under the most demanding towing conditions, enhancing performance and durability, and is constructed with a larger than typical 18-mm diameter chromed piston rod. Rancho RS9000XL shock series are engineered with nine position tuning technology that provides nine different levels of shock performance, allowing adjustment from very soft to very firm. These premium shocks also have polyurethane bushings that enhance shock performance.