MAX IV SP IMPREZA
Explanation of the product Application chart

IMPREZA GDA
MAX IV SP Code No. 80250-AF004
 
 


▲The above photo is an item for GDB.

The sport model to have a comfortable drive even in the winding road.



Application   Specification
Engine EJ20(TURBO)
Model Year 00/08 - 07/06
Remarks  
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Spherical bearing Spherical bearing
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)
○ ( 19.8 ) ○ ( 19.8 )


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 646 693 ~ 627 693 ~ 627
Against stock -47 0 ~ -66 0 ~ -66
REAR Ride height *1 638 667 ~ 629 667 ~ 629
Against stock -29 0 ~ -38 0 ~ -38
*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) 118 ( 12 ) 98 ( 10 )
Free height (mm) 170 220
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* 1900 / 700 700 / 300
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 40 / 47 68 / 91
* 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)
289 332 289 359 386 351
Spring
Set length(mm)
208 208 225 294 294 294
Length to ride hight
adjuster (mm)
67 110 50 103 130 95
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 895 586
Tire size (Air pressure) kPa 225 / 40 - 18 ( 220 ) 225 / 40 - 18 ( 220 )
Wheel size 7.5 JJ × 18 off 50 7.5 JJ × 18 off 50
Alignment
(Toe/Camber)
Test data 0 mm / -1°36' in 3 mm / -1°00'
Standard value 0 ± 3 mm / -0°20' ± 45' 0 ± 3 mm / -1°25' ± 45'
* Test data at HKS.


Parts List * It may be changed without prior notice.


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