Tuff Country SX6000 Twin-Tube Cellular Gas shock absorber (hydraulic) delivers a comfortable highway ride and superb off-road performance. Made specifically for trucks and suv with our without suspension lift kits. Backed by a limited lifetime warranty.Details: SX6000 Twin-Tube Cellular Gas Shock Twin tube construction Extended length for suspension lift kit Poly bushings 5/8 inch diameter piston rod Recommended for fullsize, mid-size and mini 4WD vehicles Made In The USA Limited Lifetime Warranty Sold Individually Fits: 2003-2013 Dodge Ram 2500 4WD (w/5 inch rear suspension lift kit - Rear) 2003-2012 Dodge Ram 3500 4WD (w/5 inch rear suspension lift kit - Rear) 1999-2004 Ford F250 Super Duty 4WD (w/2 inch to 6 inch rear suspension lift - Rear) 1999-2004 Ford F350 Super Duty 4WD (w/2 inch to 6 inch rear suspension lift - Rear) 2005-Present Ford F250 Super Duty 4WD (w/3 inch to 4 inch rear suspension lift - Rear) 2005-Present Ford F350 Super Duty 4WD (w/3 inch to 4 inch rear suspension lift - Rear) Installation Notes: Extended Length: 32.5 Inches Collapsed Length: 18.5 Inches Mounting Style: Eye to Eye Shocks are sold individually Average Install Time: 20 to 40 Minutes Warranty: Limited Lifetime Quantity Required: 2 (Sold Individually)