Product Overview:- Black Max Twin Tube Shock Absorbers Have Increased Fluid Capacity And Utilize Foam-Cell Technology. When The Shock Is Working Hard And Gets Hot, The Foam-Cell Insert Compresses To Compensate For Oil Expansion Which Maintains Consistent Max Performance Throughout The Operating Temperature Range Of The Shock. The Foam-Cell Design Also Eliminates Air Inside The Shock Which Allows For Mounting In Any Direction. Arc-Welded End Mounts And Select Specific Valving Give This Shock Absorber Max Value. Product Info:- Skyjacker Black Max Shock Absorber 1984-2001 Jp Cherokee (Xj)- Black Max Shock W/Blk Boot- Black Max Shock Absorber- Shock AbsorberItem Description:- Black Max Shock Absorber- Skyjacker Black Max Shock Absorber 1984-2001 Jp Cherokee (Xj)- 1 U-Bolt With NutsManufacturer Part Number:- B8563