Great Compatibility — Perfectly fit for 1999-2014 Chevy Silverado and GMC Sierra 1500/2500 2WD/4WD Standard or Extended Cab with Oval Upper Mounts. Each part is manufactured to OEM specifications and precision-engineered to be a direct replacement for factory mounts. Superior Material — Top Grade Superior Silicone construction, strength and durability, high and low temperature resistance, non-deformation, anti-corrosion, impact resistance and aging resistance for long-lasting reliability. Also includes eight high quality plated steel body bushing washers. Perfect Design — These Silicone Body Mounts are resistant to vehicle fluids and road grime, maintain proper body and frame alignment, provide more positive attachment to the frame and help insulate the cab while maintaining superior holding power and cushioning effect. More noise and vibration reduction than OEM and Polyurethane mounts. Package Includes — 8× Silicone Upper Body Mounts (Part#68106) | 8× Silicone Lower Body Mounts (Part#68107) | 8× Washers (Part#1163). (Not Includes Sleeves or Hardware) 100% Satisfaction Guarantee — If you're not 100% satisfied with our items, simply return it for refund within 30 days. Support 12-month Warranty. Professional & Sincere Service allows you to take no risks to purchase in E-cowlboy! Perfectly fit for 1999 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Chevy Silverado and GMC Sierra 1500/2500 2WD/4WD Standard or Extended Cab with Oval Upper Mounts.