The D1SPEC suspension has 32 stages to enable damping control in all areas, and has a range from the international circuit level using high grip tires to the normal driving level close to genuine. The pillow ball adjustable upper mount is made of duralumin, which ensures high strength and enables accurate camber adjustment. Not only the control performance during drifting, but also the rear stroke amount is secured and the foot that moves so that traction does not come off is realized. In the D1STREETLEGAL race, it is a suspension that has won 6 times and won the series for the second consecutive year from 2008 to 2010, and the result is also obtained.
■ Specifications / Front
| Inverted / upright | handstand |
| free long | 180mm |
| Spring rate | 8Kgf/mm |
| Spring type | Series winding |
| Inner diameter | 62F |
| Upper mount | Pillow |
| Full length adjustment method | Full tap type |
| Damping force adjustment method | Dial type |
| Attenuation adjustment | 32 steps |
■ Specifications / Rear
| Inverted / upright | Upright |
| free long | 200mm |
| Spring rate | 6Kgf/mm |
| Spring type | Series winding |
| Inner diameter | 62F |
| Upper mount | Pillow |
| Full length adjustment method | Full tap type |
| Damping force adjustment method | Dial type |
| Attenuation adjustment | 32 steps |
■ Accessories
| Camber adjustment plate | 2 sheets |
| Rear bracket spacer | 2 sheets |
| Color for front lower bracket | 8 |
| Front camber adjustment plate | 2 sheets |
| Rear camber adjustment color | 2 sheets |
| Coilover wrench | Two |
| Hex wrench | One |
■ Compatible model / engine
| Model | S14 / S15 |
| engine | SR20DET |
■ Spring rate change (front)
| free long | Spring rate | Inner diameter |
| 180mm | 10Kgf/mm | 62F |
| 180mm | 9Kgf/mm | 62F |
■ Spring rate change (rear)
| free long | Spring rate | Inner diameter |
| 200mm | 8Kgf/mm | 62F |
| 200mm | 7Kgf/mm | 62F |
D1SPEC Suspension KIT S13/S14/S15/C33/A31
DMSH002AT1