1. Effectively solve problem of springs weakness when heavy load and improve performance of shock absorber.
2. Improve driving comfort and more stable during curve corner.
3. Reduce pumping of absorber when passing through road hump or yellow line.
4. Reduce noise and vibration during traveling
5. Protect shock absorber and suspension system to avoid oil leak.
6. Extend absorber life more than 2 times.
7. Easy installation ,Improve braking efficiency.
8. Size for most type of car including lowered spring and adjustable, suitable for FAW / Cheerful / Chevron / Cheyenne / Mazda / Cheyenne / Red Flag / Buick / Changan / Citroen / Hyundai / Chevron / Mitsubishi / southeast / Peugeot / Honda / Volkswagen / Changhe / Suzuki / BYD / Great Wall / Volvo / Subaru / Renault / BMW / Cherokee and other 99% kinds of cars.
9. Spring gap: 35mm, spring thickness: 13mm, spring diameter: 160mm