Fra: HKS

HKS Hipermax IV GT Spec A Suspension Kit Subaru Impreza GDB

26.325,00 DKK  m/Moms
( 21.060,00 DKK  u/Moms )
Model/varenr.: 80230-AF002V
Lager: Leveringstid er Skaffevare - leveringstid 1-2 uger,. dag(e)

▲The above photo is an item for GDB・GDA・GGA.

Ultimate Street Damper with Latest Theory Based on MAX IV GT



Application   Specification
Engine EJ20(TURBO)
Model Year 00/10 - 04/05
Remarks  
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Spherical bearing ゴム固定
Inverted/Normal type Inverted Inverted
Damper/Spring layout Coilover Coilover
Spring rate change at factory Possible Possible
Damping force adjustment with wire - -
Helper spring
(Spring rate N/mm)
○(4.7) ○(19.8)



Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 642 693 ~ 635 693 ~ 637
Against stock -46 0 ~ -58 0 ~ -56
REAR Ride height *1 638 667 ~ 628 667 ~ 634
Against stock -28 0 ~ -38 0 ~ -33
*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+19 ( 6+2=8 ) 38+19 ( 4+2=6 )
Free height (mm) 250 250
Spring type Straight Straight Barrel type
Recommended range to change spring rate N/mm(kgf/mm) ±20 ( 2 ) +20 ( 2 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 820 / 400 400 / 220
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 70/56(6) 78/91(11)
* 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)
294 336 285 343 369 340
Spring
Set length(mm)
282 297 295
Length to ride hight
adjuster (mm)
22 64 13 122 148 117
Lever ratio 1.10 1.08
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.



Test vehicle information
  F R
Vehicle weight kg 897 612
Tire size (Air pressure) kPa 235 / 40 - 18 ( 220 ) 235 / 40 - 18 ( 220 )
Wheel size 8.5 JJ × 18 off 50 8.5 JJ × 18 off 50
Alignment
(Toe/Camber)
Test data 0 mm / -1°12' +2 mm / -1°48'
Standard value 0 ± 3 mm / -0°30' ± 45' 0 ± 3 mm / -1°40' ± 45'
* Test data at HKS.



Parts List * It may be changed without prior notice.

 

Point
"Ultimate Street Damper" developed for VAB model under supervision by rally driver Mr. Toshihiro Arai. Maintaining handlability and stability to enjoy driving on various road conditions were focused to develop this damper. Then, the genuine damper delivering the best ride comfort not only for the driver but also passengers was developed. The damping force tends to be stiff to secure the ride quality; however, it may cause the reduction of the tire’s surface pressure resulting in lowering the limit grip force. Also, the ride quality may deteriorate due to the vertical G force. Reviewing the geometry and stroke, establishing required spring rate and damping force, completely eliminating unnecessary elements achieved the handlability and stability in a high level that allows this product to deliver the outstanding road holding performance. Also, Mr. Arai was impressed of the improvement of understeering, which is a typical characteristic of GDB. With the latest suspension made by the latest technology, transformation of a car will be experienced. Smooth and appropriate steering and load movement is required to handle a car with this product developed under supervision by rally driver Mr. Toshihiro Arai. 
 
 
 
New bump rubbers act as sub-springs; therefore, to adjust the vehicle height, change the case length, and to adjust the timing when the bump rubber touches, change the case length and preload.
The tie rod may come in contact with the stabilizer when the damper is compressed under full-braking. 
The vehicle height except the tested height is the calculated value; therefore, actual height may be different.

 

Vehicle Make Vehicle Model Vehicle Variant From To Engine Notes
Subaru Impreza WRX 2000 2003 EJ205 2.0L - 4WD Petrol
Subaru Impreza   2000 2003 EJ20 2.0L - 4WD Petrol
Subaru Impreza   2000 2003 EJ201 2.0L - 4WD Petrol
Subaru Impreza WRX 2000 2003 EJ207 2.0L - 4WD Petrol

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