COMPATIBILITY – Fits2007-2007 Chevrolet Silverado 2500 HD Classic; 2007-2007 Chevrolet Silverado 3500 Classic; 2007-2007 Chevrolet Silverado 1500HD Classic; 2016-2019 Chevrolet Suburban 3500 HD; 2002-2006 Chevrolet Avalanche 2500; 2001-2006 Chevrolet Si GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes PRECISE HANDLING AND PERFORMANCE -- Deflective Disc Valving features digressive, linear or progressive turning based on application requirements for precision handling and performance on- and off-road STRONG AND DURABLE -- Features a 14mm hardened chrome piston rod to reduce scuffs and corrosion, double-welded loops at stress areas, double-strength closure method, and hot form reserve tube HANDLES EXTREME TEMPERATURE CHANGES -- Large 2-in. monotube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F REDUCES FADE -- Full-floating dividing piston and high-pressure nitrogen gas maintains constant pressure against the hydraulic oil, reducing aeration and shock fade SMOOTH PERFORMANCE -- Internal rebound bumper and shouldered rubber bushings help reduce noise, vibration and ride harshness while the PTFE-banded piston enhances responsiveness to changing road conditions for an overall smoother ride THE RIGHT FIT -- Designed to fit right out of the box, application-specific mounting installs easily with no need for installing sleeves or extra hardware KEEPS DIRT AND DEBRIS OUT -- Sealing system with integrated dirt wiper helps keep moisture and debris from being ingested into the shock and contaminating the oil and damaging the internal seal BUILT TO LAST -- Large 46mm fluon-banded piston for consistent sealing between the piston and monotube for precise control, ride and handling; for extra protection, purchase shock boot RS1952 or RS1961