Tuff Country SX8000 Nitro Gas performance shock absorbers deliver a comfortable highway ride and superb towing and off-road performance. The nitrogen gas pressure reduces fading and gives quicker shock response for better handling and performance. Tuff Country SX8000 shock absorbers are designed to be optimized for stock height and lifted vehicles. Backed by a limited lifetime warranty.Details: SX8000 Nitro Gas Shock Extended length for suspension lift kit High performance shocks, great for towing, off-road and daily driving Nitro gas pressure resists fading Twin tube construction Poly bushings 5/8 inch diameter piston rod Proudly Made In The USA Limited Lifetime Warranty Sold Individually Fits: 1999-2006 Chevrolet Silverado 1500 4WD (w/o suspension lift kit - Front) 1999-2006 Chevrolet Silverado 1500 4WD (w/1 inch to 2 inch suspension lift kit - Front) 2000-2006 Chevrolet Suburban 1500 4WD (w/o suspension lift kit - Front) 2000-2006 Chevrolet Tahoe 4WD (w/o suspension lift kit - Front) 1999-2006 GMC Sierra 1500 4WD (w/o suspension lift kit - Front) 1999-2006 GMC Sierra 1500 4WD (w/1 inch to 2 inch suspension lift kit - Front) 2000-2006 GMC Suburban 1500 4WD (w/o suspension lift kit - Front) 2000-2006 GMC Yukon 4WD (w/o suspension lift kit - Front) Installation Notes: Shocks are sold as each. Quantity of (2) shocks required for most applications Tech Specs: Extended Length: Collapsed Length: Mounting Style: Average Install Time: 20 to 40 Minutes Quantity Required: 2 Shocks (Sold Individually)