Auto shock absorber features: 1) Aftermarket engineering for OE-like performance 2) High-quality comfort and performance at an economical price 3) Nitrogen gas charge for superior response and consistent control 4) Reduces vibrations to help provide longer life to any vehicle component systems. 5) Arc welded end mounts for maximum strength. 6) Hard-chromed piston rod to reduce friction and prolong the life of shock absorber. 7) Have more than 2,000 types of shock absorbers, Can supply to Japanese,American,European and Korean cars.