King Shocks 2.5 Performance Piggyback Shocks Rear Pair for 2000-2010 GMC Sierra 2500 HD 4WD

King 2.5 Performance Shocks feature the finest materials in offroad shock craftsmanship, 100% built in the USA, custom built for your application. Using aluminum components, heat treated 2024 aluminum alloy pistons, and extremely high 100,000 psi tensile strength shafts which create the ultimate surface hardness against debris. The adjustable reservoir allows further fine tuning of ride quality, allowing compression damping adjustment to product optimized handling for your chosen terrain.