Code No. 80230-AN014N


Awesome control and comfort ride on the street for a sporty drive. The new Max IV sporty suspension.



▲The above photo is an item for K13改.




Engine HR15DE
Model Year 13/12 - 
Remarks For K13 KAI


Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Stock Stock
Inverted/Normal type Inverted Normal
Damper/Spring layout Coilover Separated
Spring rate change at factory Possible Impossible
Damping force adjustment with wire - -
Helper spring
(Spring rate N/mm)
〇(19.6) -
Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 640 610 640 ~ 590 640 ~ 590
Against stock 0 -30 0 ~ -50 0 ~ -50
REAR Ride height *1 635 605 635 ~ 577 635 ~ 577
Against stock 0 -30 0 ~ -58 0 ~ -58

*1. Height from road surface to fender arch.
*2. Height at factory is the data tested at HKS with the setting of Full Kit. (HKS' recommended setting.)
*3. Adjustable range (However, the lowest value may not be road legal.
Even within the adjustable range, car body, arm etc. may contact. In such case, it will be hard to drive.
Damper oil leakage or any other problems caused by low ride height setting from the factory setting will void the warranty of the product.)
*4. Drivable range that there is no contact of car body or arms etc. (However, change of tire/wheel size may cause a problem.)
Caution). Actual data depends on each vehicle.

Kit information

Spring of Full Kit

  F R
Spring rate N/mm(kgf/mm) 59 (6) 49 (5)
Free height (mm) 170 170
Spring type Straight Straight Barrel type
Recommended range to change spring rate N/mm(kgf/mm) +9.8 (1) 不可

Specification of damper

  F R
Damping force (Rebound/Damping)N* 451 / 304 265 / 206
Default position of dial 15 段 15 段
Remaining damper stroke (Rebound/Damping)mm 55 / 51 60 / 76

* The value of the damping force is at piston speed of 0.1m/sec.

Setting data

  F R
Default Test Drivable limit
High *
Drivable limit
Low *
Default Test Drivable limit
High *
Drivable limit
Low *
Length of
case (mm)
310 280 310 271 423 389 423 360
Set length(mm)
211 211 211 222 - - - -
Length to ride hight
adjuster (mm)
64 34 64 14 70 45 70 22
Lever ratio 1.00 1.21(spg) , 0.98(dmp)

* Refer to the above explanation *3 of ride height information for drivable high and low limitations.

Test vehicle information

  F R
Vehicle weight kg 617 (630) 407 (380)
Tire size (Air pressure) kPa 205 / 45 - 16 ( 220 ) 205 / 45 - 16 ( 220 )
Wheel size 7 JJ × 16 inset 50 7 JJ × 16 inset 50
Test data 0 mm / -1°09' in 3 mm / -1°19'
Standard value in 1 ± 1 mm / -0°10' ± 45' in 2 ± 4 mm / -1°25' ± 30'

* Test data at HKS.

Parts List  * It may be changed without prior notice.



A new ride suspension kit made specially for NISMO! Lowering the ride height brings your car more stylish! We refined more ride quality based on running quality analysis of the factory suspension.
Rear ride height adjuster Assy utilizes new design. Achieve both raising and lowering height. If the vehicle height is low and the shock body length is shortened, it may interfere the vehicle body and ride height adjuster. We changed the ride height adjuster assy at the lower arm side can extend downward for preventing the interference between the body and ride height screw. Please be sure to read the instruction manual before adjustments.
We verify the steering response improvement and stiffer ride comfort with 7K spring load testing however, the product adopts 6K as a standard considering the balance of city riding occasions.
Please try stiffer spring rate when you enjoy the car just a sport driving or hobby use.
The default height set equivalent to standard vehicle height to compliant with the safety standard and considering the rear fog lamp height. Please adjust according to the test dimension and be aware of the rear fog light when you lower the vehicle. (Rear fog light height: 228 mm at the test)
Inner fender may interfere with the tire when full steer damping or the front shock body length set shorter than the test under the condition of the factory tire-wheel setting. Further, interference may occur between factory over fender and the tire under the condition of the shock body length at the rear side is shorter than 378 mm when full steer damping. In any case, there is no interfering with the upper and lower arm.