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: Front SX8000 Nitro Gas Shock 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: 2001-2010 Chevrolet Silverado 2500HD 4WD (w/ 0 to 2 inch suspension lift) 2001-2010 Chevrolet Silverado 3500/3500HD 4WD (w/ 0 to 2 inch suspension lift) 2001-2010 GMC Sierra 2500HD 4WD (w/ 0 to 2 inch suspension lift) 2001-2010 GMC Sierra 3500/3500HD 4WD (w/ 0 to 2 inch suspension lift) 1997-2003 Ford F150 4WD (w/ 2 inch suspension lift) 1986-1995 Toyota Pickup 4WD (w/ 4 inch suspension lift) 1986-1989 Toyota 4Runner 4WD (w/ 4 inch suspension lift) 1990-1995 Toyota 4Runner 4WD (w/ 4 inch suspension lift) Installation Notes: Shocks are sold as each. Quantity of (2) shocks required for most applications Tech Specs: Extended Length: 18.5 Inches Collapsed Length: 11.5 Inches Mounting Style: Stem to Eye Average Install Time: 20 to 40 Minutes Quantity Required: 2 Shocks (Sold Individually)