Bilstein 24185677 Shock Absorber for GM Light Truck Easy to install; direct bolt-on; no modification required Improved control and stability, precise handling, ultimate performance, and incredible comfort May be the last set of shocks you need to purchase for your vehicle Mono tube design dissipates heat rapidly, increasing durability and product life span Superior gas over hydraulic design will not fade under even the most extreme driving conditions Bilsteins unique piston design offers greater sensitivity and superior vehicle control