Quality? 100% brand new, Strictly produced according to the standard and the quality and stability of the product are better. Easy To Install? Ensure precise fit and quickly replace compete strut. Recover Performance? Replacing our struts assembly, shorten the braking distance, and increase the safety distance, improve steering response, reduce stopping distance and give you more confidence in driving. Increase Tire Grip? By increasing the spring stiffness coefficient, the rapid vibration of the wheel is suppressed, the tire is prevented from leaving the road, and the exercise stability is improved. Bounce Reduction? Damping rods reduce body vibration and bounce by generating resistance through the flow of fluid to absorb or slow down the direct impact of energy. Vehicle Compatibility? Please check the description and compatibility chart before your purchasing, if you have any question regarding our this product. 2x Complete Struts Assembly. Step 1: Before You Lift the Vehicle, Loosen Lug Nuts One Full Turn. Step 2: Jack up Vehicle and Use Jack Stands for Safety & Remove the Tire from the Rotor. Step 3: Wheel Alignment Is Necessary After Strut Replacement. Marking the Position of All the Bolts Will Help Keep the Alignment Close to Original and save Time Aligning. Use a Colored Pencil to Mark the Old Strut on the Bolt. Step 4: Use Penetrating Oil (Such As Wd40) to Coat Any Rusted Fasteners, Let Soak for Approximately 1 Hour. Step 5: (Optional) While Waiting for Oil to Soak, Take This Time to Inspect All Other Components That May Need Replacement (Brake Pads, Rotors, Brake Hoses, Ball Joints, Cv Boots, Tie Rod Ends, Bushings, Sway Bars, Etc). Step 6: Remove Any Brake Line or Wire Attachments from the Strut Body. Do Not Disconnect Brake Lines (If Possible)! Opening Brake Lines Will Require Bleeding of the Brake System. Use Extreme Caution When Removing Brake Lines from Your Struts, As Any Damage to Your Brake Line Can Result in Expensive and Time Consuming Repairs. Step 7: Remove Sway bar Attached to the Strut Assembly or Control Arm. Step 8: Remove the Tie Rod (Only If It Attached to the Body of the Strut, If Not Leave It Attached to the Steering Knuckle). Step 9: Remove the Strut to Knuckle Bolts at the Bottom of the Strut. On some Vehicles, the Brake Caliper and Rotor May Need to Be Removed to Gain Access. Step 10: Remove the Upper Mounting Plate Bolts Located in the Engine or Trunk Compartment. Do Not Remove the Center Retaining Nut! It Is Not Safe to Unload the Spring from the Assembly in This Position. Step 11: Carefully Remove the Old Strut Assembly from the Vehicle. Be Very Cautious Not to Let the Strut “Drop” down on Your Brake Line, Rotor or Drum. Step 12: Install the New Complete Strut Assembly in the Reverse Order As Above (Steps 11-6). Using an Anti-seize Compound on All Fasteners Is Suggested. Step 13: Carefully Double Check Your Work and Make Sure Everything Is Tightened to Manufacturers Torque Specifications. Step 14: Replace the Tire the Rotor and Tighten to Manufacturers Torque Specifications. Step 15: Slowly Lower the Vehicle down After Removing the Jack Stands. Pay Very Close Attention to Any Odd Sounds When the Vehicle Is Lowered Onto the New Complete Strut Assemblies. Step 16: It Is Very Important That You Immediately “Road Test” Your Vehicle Right Away to Ensure That Installation Was Done Properly. Listen and Feel for Common Signs of Incorrect Installation While Driving Slowly over Speed Bumps, Rough Road or Potholes. Precautions for replacing the shock absorber. When installing a new shock absorber, you should pay attention to whether the model matches, please pay attention to the matching model list before purchasing, and confirm whether the left and right are correct. Check the quality status of the new shock absorber, such as whether there is oil leakage in the appearance, etc. Pay special attention to the surface of the piston not to be bumped. Professional tools must be used during installation, and the shock absorber must not be forcibly installed. Pay attention to whether the installation position between the shock absorber and the body and the car is correct. During the assembly process, be sure to protect the surface of the piston rod, and avoid using tools to pull the piston rod or bump or scratch the piston rod, otherwise the shock absorber will leak oil. All nuts should be new and tightened according to the specified parameters of the vehicle to ensure that the tightening torque of the connection part meets the specified parameters of the vehicle. When tightening the nuts of the connecting part, it should be carried out in the natural state of the tire and meet the specified parameters of the vehicle. 271574,271573, Full strut assembly, Driver Side Passenger side. 2 Piece Set Complete Strut Assembly New Ready to Install. OE Spec or Performance. Shock Aborber, Boot, Bumper Kit, Spring Seat, Coil Spring, Isolator. Complete Struts Assembly with Coil Spring. 27.69 x 15.21 x 8.19 inchs. The note there will NOT be read. We are not responsible for any wrong or undeliverable addresses. We stand behind every product we sell. We define the item as defective only if it doesn’t function as described. Man-made damage by abuse or wrong oper. FEEDBACK IS VERY IMPORTANT TO US. It is impossible to address issues if we do not know about them! Pair Rear L-R Shocks for Chevy Trailblazer Ext GMC Envoy SSR Rainier Ascender.