MAX IV GT IMPREZA
Explanation of the product Application chart

IMPREZA GDA
MAX IV GT Code No. 80230-AF002
 
 


▲The above photo is an item for GDB(A-D).

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



Application   Specification
Engine EJ20(TURBO)
Model Year 00/08 - 07/06
Remarks Height data is based on WRX STI.
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Rubber Rubber
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 )


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 641 669 ~ 619 669 ~ 619
Against stock -47 -19 ~ -69 -19 ~ -69
REAR Ride height *1 650 650 ~ 562 650 ~ 578
Against stock -16 -16 ~ -104 -16 ~ -88
*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 ) 29 ( 3 )
Free height (mm) 220 250
Spring type Straight Barrel type 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* 1515 / 412 441 / 157
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 49 / 50 83 / 86
* 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)
274 292 274 391 391 365
Spring
Set length(mm)
200 193 220 283 283 324
Length to ride hight
adjuster (mm)
93 118 73 148 148 81
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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