Packaging Includes:Damper-4pcsOriginal Name / Part No:9660+9661Part Location:Front and Rear dampersProduct major function & use:Reduce the friction and absorb the stress during driving so your car could be more balanced.Is this part adjustable? YESHow: Adjust the most notable spring retainer.Purpose: to regulate the hardness for the springtime damper.1. Made out of a quality light-weight high tensile energy aluminum 6061-T6 effective usage,Spring cable diameter 2.0mm is in line with the original.2. The damper shaft has thickened from 5mm to 6mm and smoothly polished to prevent bending.3.Aluminium human anatomy with shock-absorb limit to seal tightly and give a wide berth to leaking.Suitable Model:TRAXXAS-1/8 4WD SLEDGE MONSTER TRUCK-95076-4