MAX IV GT MARK X GRMN
Explanation of the product Application chart

MARK X GRMN GRX133改
MAX IV GT Code No. 80230-AT003G
 
 


▲The above photo is an item for GRS184.

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



Application   Specification
Engine 2GR-FSE
Model Year 19/03 - 
Remarks GR SPORT was not tested.
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Rubber Rubber
Inverted/Normal type Normal Normal
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 *1 662 674 ~ 633 674 ~ 646
Against stock -12 0 ~ -41 0 ~ -28
REAR Ride height *1 665 680 ~ 605 680 ~ 642
Against stock -15 0 ~ -69 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) 138 ( 14 ) 98 ( 10 )
Free height (mm) 200 220
Spring type Straight Straight Barrel type
Recommended range to change spring rate N/mm(kgf/mm) -20 ( 2 ) -10 ( 1 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 1500 / 460 1000 / 420
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 67 / 39 79 / 70
* 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)
420 428 409 394 378
Spring
Set length(mm)
264 293 283 293
Length to ride hight
adjuster (mm)
51 59 40 37 47 21
Lever ratio 1.47 1.49
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.


Test vehicle information
  F R
Vehicle weight kg - -
Tire size (Air pressure) kPa 235 / 40 - 19 ( 240 ) 265 / 35 - 19 ( 240 )
Wheel size 9 JJ × 19 off 45 10 JJ × 19 off 45
Alignment
(Toe/Camber)
Test data 0 mm / -1°06' in 3 mm / -1°24'
Standard value - -
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
To achieve upgrade the ride comfort of GRMN, we have been designing, doing actual test driving and redesigning again many times.
Only the wide diameter of the single tube could bring a fine balance with the calm driving comfort for city or highway driving without too much softer feeling.
We worked hard for improving the drive feeling to make it milder than stock specifications. You can also enjoy more connected feeling and precisely control a vehicle. In addition, only FR could enjoy the corner speed feeling controlling by acceleration and load movement to the limit.
As a result, this balanced softness keeps high stability even on the bad road surface.
You will find satisfaction in comfortable daily driving fast speed, winding roads and circuit driving.
The standard position of the damping force adjustment dial is set to the 15th click position.
We recommend the spring rate setting F-2K/R-1K for the customer who prefers the ride comfort to sport drive feeling. Although handling becomes a little milder, vehicle suspension stability and feedback are unchanged and enjoyable to drive.
 
● Required modification
Requires the hole drilling in the trunk for damping force adjustment cable.
If the spring or other parts touch the rear inner fender, cut it to adjust.
 
 
 
 


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