MAX IV GT ROADSTER
Explanation of the product Application chart

ROADSTER NCEC
MAX IV GT Code No. 80230-AZ006
 
 


▲The above photo is an item for ND5RC.

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



Application   Specification
Engine LF-VE
Model Year 05/08 - 15/04
Remarks Test Vehicle: S RHT *Soft Top model was not tested
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Rubber Stock
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)
- -


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 632 664 ~ 579 664 ~ 579
Against stock -32 0 ~ -85 0 ~ -85
REAR Ride height *1 634 657 ~ 612 657 ~ 612
Against stock -29 -6 ~ -51 -6 ~ -51
*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 ) 39 ( 4 )
Free height (mm) 200 170
Spring type Straight Straight
Recommended range to change spring rate N/mm(kgf/mm) ±20 ( 2 ) + 20 ( 2 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 392 / 157 343 / 127
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 36 / 51 48 / 51
* 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)
357 373 331 356 376 348
Spring
Set length(mm)
184 178 195 155 155 166
Length to ride hight
adjuster (mm)
49 71 12 21 41 2
Lever ratio 1.44 1.17
* 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 215 / 45 - 17 ( 200 ) 215 / 45 - 17 ( 200 )
Wheel size 7.5 JJ × 17 off 43 7.5 JJ × 17 off 43
Alignment
(Toe/Camber)
Test data out 1.8 mm / -1°00' 0 mm / -1°54'
Standard value in 1 ± 3 mm / -0°42' ± 45' in 3 ± 3 mm / -1°42' ± 45'
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
The kit aims to retain the driving image of stock suspension while adding more sport’s car like behavior to it. Driving pleasure and stylish look are the philosophy behind this suspension.
This model is originally designed with a short stroke suspension. Lowering a car was a difficult task as with further lowering comes an uncomfortable and bumpy ride. HKS has considered this point and performed the optimal setting to avoid any unpleasant rebounds.
Stock suspension is designed the way a driver can enjoy driving on twisty roads with a comfortable amount of a body roll. However, when adding some pace on a winding road, the amount and speed of a body roll may become an obstacle.
With a right choice of spring and careful adjustment of a damping force, HKS has been able to achieve a more confident behavior in cornering and decrease a body roll.
The kit utilizes stock upper mounts for rear side, which usually use with springs specifically designed; however, spring retainers included in this kit were designed to use with straight coil springs that allow an infinite possibility of spring choice to fulfill any driver’s preference.
HKS suspension kit comes pre-adjusted for a swift and sporty driving with a step of damping force of Adjust the damping force by +/-15 steps of pre-adjusted position for a swift and sporty driving. For those drivers who prefer a softer drive, adjust the setting around step 20-25.
 
 
 
 
 


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