Rancho (RS5402) RS5000 Steering Stabilizer Part Number RS5402 One Steering Stabilizer and necessary mounting hardware; w/Rancho RS6547 System X Fits 4WD vehicles All necessary washers, bushings, and nuts included. Factory shock mounting bolts are reused for installation. Rancho's limited lifetime warranty protects against defects and premature failure. Rancho's 90 day ride guarantee covers RS5000X, RS7000MT, and RS9000XL shocks.