Strut Surface Finish: Rust Protected Strut Gas Charged: Yes Strut Color: Black Strut Included Hardware: Nuts Strut Greasable or Sealed: Sealed, 100% Accuracy of Fit, Easy to Replace Strut Adjustable: No Strut Mounting Hardware: Not Included Strut Material: Steel California Proposition 65: Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Make Model Year Chevrolet Silverado 1500 2013 Chevrolet Silverado 1500 2012 Chevrolet Silverado 1500 2011 Chevrolet Silverado 1500 2010 Chevrolet Silverado 1500 2009 Chevrolet Silverado 1500 2008 Chevrolet Silverado 1500 2007 GMC Sierra 1500 2013 GMC Sierra 1500 2012 GMC Sierra 1500 2011 GMC Sierra 1500 2010 GMC Sierra 1500 2009 GMC Sierra 1500 2008 GMC Sierra 1500 2007 Set of Front Struts and Rear Shock Absorbers Distributed by AutoShack Front Premium Struts Designed, manufactured, and tuned to meet or exceed expectations for performance and fit Each Strut is nitrogen gas charged Long-life, chrome plated piston Tough, gloss black, with powder coated finish Struts should always be replaced in pairs (front and rear). This reduces the overall time required to replace two struts at different times. In most cases, when one strut fails, the other is close behind. Rear Shock Absorbers Made to quality standards and performance Gas-charged Twin Tube Shocks High corrosion resistance and long service life Tough, gloss black, with powder coated finish Shocks should always be replaced in pairs (front and rear). This reduces the overall time required to replace two shocks at different times. In most cases, when one shock fails, the other is close behind. Please note product bundle will ship in multiple packages with separate individual tracking numbers.