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