MAX IV SP
IS F
IS F USE20

MAX IV SP

Code No. 80250-AT004

*Discontinued.

The sport model to have a comfortable drive even in the winding road.

 

 

The model in the photo is USE2

 

 

Application

Engine 2UR-GSE
Model Year 07/12 - 14/05
Remarks  

Specification

  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Spherical bearing Spherical bearing
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)
〇 (19.8) 〇 (19.8)
Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 663 687 ~ 636 687 ~ 643
Against stock -24 0 ~ -51 0 ~ -44
REAR Ride height *1 639 667 ~ 607 667 ~ 607
Against stock -28 0 ~ -60 0 ~ -60

*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) 216 ( 22.0 ) 157 ( 16.0 )
Free height (mm) 200 200
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* 1900 / 670 1270 / 550
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 41 / 46 55 / 81

* 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)
402 418 393 390 409 368
Spring
Set length(mm)
250 250 255 274 274 274
Length to ride hight
adjuster (mm)
27 43 13 40 59 18
Lever ratio 1.46 1.44

* Refer to the above explanation *3 of ride height information for drivable high and low limitations.



Test vehicle information

  F R
Vehicle weight kg 943 (930) 769 (760)
Tire size (Air pressure) kPa 225 / 40 - 19 ( 210 ) 255 / 35 - 19 ( 210 )
Wheel size 8.5 JJ × 19 inset 43 9.5 JJ × 19 inset 45
Alignment
(Toe/Camber)
Test data in 0 mm / -1°30' in 0 mm / -1°50'
Standard value in 0 ± 2 mm / 0°50' ±45' in 3 ± 2 mm / -0°45' ±45'

* Test data at HKS.


Parts List  * It may be changed without prior notice.

 


Point

The product had been developed with testing many times while several kinds of springs and damping force settings trial. As a result, it can be provided the various damping force setting from the street to the circuit driving by changing the dial. This latest wide-range damping force setting provides a calm and smooth feeling under the solid grip and it aims improved control and stable performance even at the FR vehicle turning performance limit. The track driving tests were performed by the vehicle installed with YOKOHAMA TIRE, ADVAN A052_265/35-18 inch at the front and rear, also the front upper arm was changed in order to change the front camber 3°30' in a negative direction. The vehicle further installed LSD. The standard dial setting for high-speed circuit driving is 6 clicks from the stiffest setting. In street driving, please select in your preferred setting between about 15 to 30 clicks from the stiffest setting.
 
Note: The front damping force adjustment dial may become hot due to the heat from the engine room, please wear gloves when adjusting the dial.
 
 
 
 
 
 
 
 



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