Includes 3 Spring Options: pre-installed springs match stock stiffness, gray springs are 30% stiffer, and silver springs are 20% softer, allowing customized suspension performance
[ Little Oil Pre-filled & Adjustable]: Pre-filled with a small amount of oil, allowing you to customize oil levels. Threaded shock collars enable precise spring adjustment for fine-tuning vehicle ride height
Parameters: Total length 67 mm ; Hole to hole 58 mm; Diameter 14 mm; Hole 2.5 mm