Bilstein 4600 Series Shock Absorbers For Chevy Silverado/GMC Sierra 1500 4WD 1999-06 - Includes Front Shocks # 24-065009 & Rear Shocks # 24-029056 Includes front and rear 4600 Series Bilstein Shock Absorbers. Fits stock height 1999-06 Chevy Silverado & GMC Sierra 1500 4WD.(Excludes electronic suspension) Monotube gas pressure technology provides improved control and stability, precise handling, ultimate performance, and incredible comfort. Easy to install; direct bolt-on; no modification required. Lifetime Warranty