Fitment:
2001-2007 Mercedes-Benz C-Class RWD Hyper-Street II
Specifications:
Shock Type: Mono-Tube
Spring Preload: 7-10 mm
Adjustable Height: Yes, lowering 2" to 4"
Surface Materials: Aluminum, Steel
32-Way Damping Force Adjustment
Spring Rate Front: 8kg/mm(448lbs/in)
Spring Rate Rear:9 kg/mm(504 lbs/in)
Spring length Front: 257mm
Spring length Rear: 183mm
Coilover overall length Front: 689mm-786mm
Coilover overall length Rear: 535mm-613mm
Features:
1. Twin-tube structure allows sufficient stroke within the shock absorber.
2. High-tensile performance spring—STRESS TESTED OVER 600,000 times, with spring distortion less than 0.04%. Plus, the special surface treatment improves durability and performance.
3. Height Adjustment tools included.
4. Rubber top mounts help to deliver a smooth and forgiving ride for city use at any speed and rubber joints assist in absorbing hard impacts.
5. Most pieces in our coilover systems, including mounts, collars, and spring perches, are designed from 6061-T6 Billet Aluminum, resulting in lightweight, durable, and rust-resistant components.
6. Separate height adjustment does not affect damper stroke.
7. Full rebuildable. 8. Lowered height adjustment from 1" - 3" which allows a lower center of gravity and also adds a more aggressive stance 9. A 32 rebound damping adjustment level allows you to dial in your coilover setup perfectly. You will experience better ride quality in all road conditions. 
