Does this product replace a specific part or function? Yes
Product major function & usage: Reduce the friction and absorb the pressure during driving so that the car can be more balanced.
Is this part adjustable? If yes … how and why/purpose? How: Adjust the top spring retainer and red screw at the bottom of negative pressure oil cylinder. Purpose: To adjust the hardness of the spring damper.
Major advantages of upgrading to this product: (1). Made with a quality light weight high tensile strength aluminum 6061-T6 powerful use,Spring wire diameter 2.0mm is consistent with the original. (2). The damper shaft has thickened from 5.0mm to 6.0mm and smoothly polished to avoid bending. (3).Aluminum body with shock-absorb cap to seal tightly and avoid leaking. (4). L shape piggy back with built-in piston spring can adjust the rebound force, so the pressure load effect is better.