MAX IV GT ROADSTER RF
Explanation of the product Application chart

ROADSTER RF NDERC
MAX IV GT Code No. 80230-AZ003
 
 


▲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 PE-VPR
Model Year 16/12 - 
Remarks RF Model / MT
 
  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)
- ○ ( 4.7 )


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 623 666 ~ 553 666 ~ 591
Against stock -43 0 ~ -113 0 ~ -75
REAR Ride height *1 620 667 ~ 576 667 ~ 588
Against stock -48 -1 ~ -92 -1 ~ -80
*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) 39 ( 4 ) 39 ( 4 )
Free height (mm) 220 170
Spring type Straight Barrel type Straight
Recommended range to change spring rate N/mm(kgf/mm) ±20 ( 2 ) -
Specification of damper
  F R
Damping force (Rebound/Damping)N* 450 / 400 250 / 250
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 50 / 65 89 / 61
* 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)
350 379 350 345 385 321
Spring
Set length(mm)
197 195 220 239 236 244
Length to ride hight
adjuster (mm)
48 79 25 123 166 94
Lever ratio 1.40 1.10
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.


Test vehicle information
  F R
Vehicle weight kg 567 533
Tire size (Air pressure) kPa 205 / 45 - 17 ( 200 ) 205 / 45 - 17 ( 200 )
Wheel size 7 JJ × 17 inset 45 7 JJ × 17 inset 45
Alignment
(Toe/Camber)
Test data +0mm / -1°30' +2.5 mm / -2°20'
Standard value IN 1.6 ± 2 mm / -0°30' ± 45' IN 3 ± 2 mm / -1°23' ± 45'
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
Refined low-stance is created. Softer ride quality is provided while maintaining the factory's supple ride feeling. Appropriate amount of roll backed up with a supportive and stable feeling creates secure and predictable handling. The gradual damping force and natural roll are focused while driving with this product. The product provides a great ride quality not only for those who enjoy street driving but also high speed driving.
 
 
※If the front stabilizer is replaced with a bigger one, make sure the stabilizer does not come in contact with the damper.
 
 
 
 
 
 
 


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HKS