MAX IV GT 20SPEC GR SUPRA
Explanation of the product Application chart

GR SUPRA DB22
MAX IV GT 20SPEC Code No. 80230-AT023AC
 
 


▲The above photo is an item for DB42.

An updated MAX IV GT with improved handling and comfort, an ulimate street suspension.



Application   Specification
Engine B48
Model Year 19/05 - 
Remarks Note: When height is adjusted various parts will be misaligned. Including Radar, Camera, wheel alignment, and can cause the Toyota Supra Safety system to malfunction.
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Spherical bearing Rubber
Inverted/Normal type Inverted Normal
Damper/Spring layout Coilover Separated
Spring rate change at factory
Damping force adjustment with wire -
Helper spring
(Spring rate N/mm)
- -


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 654 662 676 ~ 631 676 ~ 631
Against stock -33 -25 -11 ~ -56 -11 ~ -56
REAR Ride height *1 668 673 691 ~ 635 691 ~ 635
Against stock -30 -25 -7 ~ -63 -7 ~ -63
*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) 69 ( 7 ) 118 ( 12 )
Free height (mm) 200 250
Spring type Straight Straight
Recommended range to change spring rate N/mm(kgf/mm) ±10(1) ±20 ( 2 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 1133 / 515 633 / 417
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 39 / 50 54 / 60
* 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)
279 289 264 319 339 291
Spring
Set length(mm)
195 188 186 200 - - - -
Length to ride hight
adjuster (mm)
20 27 39 0 42 45 56 22
Lever ratio 1.18 1.69(spg) , 1.20(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 785.5 744
Tire size (Air pressure) kPa 255 / 35 - 19 ( 220 ) 275 / 35 - 19 ( 220 )
Wheel size 9.5J × 19 10.5J × 19
Alignment
(Toe/Camber)
Test data in 0.4 mm / -2°23' in 1.2 mm / -2°34'
Standard value in 3.1 mm ± 2.3 mm / -1°45' ± 0°30' in 2.7 mm ± 2.3 mm / -2°00' ± 0°25'
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
・This is a special combination kit with HIPERMAX IV GT and SEC (suspension error canceler) for GR Supra.
・This kit is packaged with the suspension error canceller which is required when the stock electric control shock absorber of GR Supra is removed.
・This package offers a better price compared to purchasing products separately.
SEC: https://www.hks-power.co.jp/en/product_db/suspension/db/23945
 
 
 
 
 
 
 


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