High Gas Pressure Design: Nitrogen-infused 46mm monotube design with a floating dividing piston separating the gas and oil, provides consistent and fade-free performance Digressive Valving: Bilstein's patented digressive valving allows shock absorbers to instantly react to changing surface conditions; Giving you a stable, controlled, and comfortable ride Stock Height Replacement: The 4600 is tuned for your vehicle; No matter whether you’re working down a gravel road, towing a trailer, or taking the family out; You can expect a safer driving experience with less fatigue on those long hauls Vehicle Compatibility: Fits 1999-2006 Silverado 1500 4WD (LS & LT models) and 1999-2006 Sierra 1500 4WD (SL, SLE & SLT models); Fits vehicles without ZX3 Electronic Suspension Package; Fits vehicles with front torsion bar spring and rear leaf spring Warranty: When it comes to performance and dependability, you can trust that Bilstein builds to the highest of quality and safety standards and they back their 4600 series shocks with a limited lifetime warranty to prove it Upgrade with Bilstein's rear 4600 series shocks! These shock absorbers are designed as a direct fit upgrade to original equipment shock absorbers on stock height light trucks and SUV’s. These shock absorbers feature a monotube design which provides consistent fade free performance. They utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All 4600 shock absorbers are tuned for each specific application to ensure optimal performance is achieved offering significant improvement in ride quality, handling, and comfort. Bilstein knows that you depend on your vehicle for many aspects in life, and they build a product that you can count on. When it comes to performance and dependability, you can trust that Bilstein builds to the highest of quality and safety standards and they back their 4600 series shocks with a limited lifetime warranty to prove it. Bilstein operates in nine locations worldwide, with over 4,000 employees. Their home is in the Ruhr region with their headquarters in Ennepetal. But as a global player, they develop and produce their products in six different countries; from Great Britain to the United States and China.
Vehicle Compatibility: Fits 1999-2006 Silverado 1500 4WD (LS & LT models) and 1999-2006 Sierra 1500 4WD (SL, SLE & SLT models).
Notes: Fits vehicles without ZX3 Electronic Suspension Package and Spring Type Front: Torsion Bar, Rear: Leaf.