MAX IV SP SILVIA
Explanation of the product Application chart

SILVIA S15
MAX IV SP Code No. 80250-AN002
 
 


▲The above photo is an item for S15.

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



Application   Specification
Engine SR20DE(T)
Model Year 99/01 - 02/08
Remarks The vehicle height data is of S15(SR20DET).
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Spherical bearing Spherical bearing
Inverted/Normal type Inverted 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 )


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 649 641 677 ~ 596 677 ~ 630
Against stock -28 -35 0 ~ -81 0 ~ -47
REAR Ride height *1 646 639 682 ~ 583 682 ~ 629
Against stock -36 -43 0 ~ -99 0 ~ -53
*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) 78 ( 8 ) 49 ( 5 )
Free height (mm) 200 250
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* 1250 / 400 700 / 270
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 35 / 78 81 / 84
* 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)
229 222 254 212 483 476 519 469
Spring
Set length(mm)
196 196 196 196 321 321 321 324
Length to ride hight
adjuster (mm)
48 41 73 31 163 156 199 146
Lever ratio 1.14 1.00
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.


Test vehicle information
  F R
Vehicle weight kg 692 577
Tire size (Air pressure) kPa 225 / 40 - 18 ( 220 ) 235 / 40 - 18 ( 220 )
Wheel size 8 JJ × 18 off 35 9 JJ × 18 off 38
Alignment
(Toe/Camber)
Test data 0 mm / -2°00' 0 mm / -2°30'
Standard value in 2 ± 1 mm / -1°00' ± 45' in 2.6 ± 2.6 mm / -1°25' ± 30'
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
・We have tested many times for the best setting for both of street and circuit drive based on MAX III Sport 09 with newest technology of MAX IV.
・We have tested with high-grip tires such as NEOVA 08R.
 
●Modification for installation
・Need a hole to put through the rear damping force adjustment cable.
 
 
 
 
 
 


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