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HKS Hipermax IV SP Suspension Nissan Skyline R32 GTR BNR32 80250-AN004

MAX IV SP Code No. 80250-AN004

‰Ð_The above photo is an item for GRB.

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

Application ‹ÛÛ Specification
Engine RB26DETT
Model Year 89/08 - 94/12
Remarks V-SpecII
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket 䄆 䄆
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)
- 䄆 ( 19.8 )

Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 643 ‰ � 690 •__ 598 690 •__ 641
Against stock -47 ‰ � 0 •__ -92 0 •__ -49
REAR Ride height *1 650 ‰ � 675 •__‹ÛÛ589 675 •__‹ÛÛ610
Against stock -25 ‰ � 0 •__ -86 0 •__ -65
*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) 118 ( 12 ) 88 ( 9 )
Free height (mm) 200 200
Spring type Straight Straight
Recommended range to change spring rate N/mm(kgf/mm) å±20 ( 2 ) å±20 ( 2 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 1900 / 500 750 / 350
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 30 / 60 56 /79
* 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)
267 ‰ � 313 267 395 ‰ � 417 373
Set length(mm)
198 ‰ � 198 200 260 ‰ � 260 274
Length to ride hight
adjuster (mm)
49 ‰ � 95 47 55 ‰ � 77 19
Lever ratio 1.03 1.12
* 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 245 / 40 - 18 ( 230 ) 245 / 40 - 18 ( 230 )
Wheel size 9 JJ ÌÑ 18 inset 22 9 JJ ÌÑ 18 inset 22
Test data 0 mm / -2å¡00' in 2 mm / -2å¡33'
Standard value 0 •__ in 2 mm / -0å¡55' å± 45' in 2 å± 2 mm / -1å¡05' å± 30'
* Test data at HKS.

Parts List * It may be changed without prior notice.

‹ÄÈSet for both of street and circuit and for people who like to drive fast. For people who want fast recovery and firm damping force.
‹ÄÈSet to have great drivability and handling and still have ability to track the road.
‹ÄÈTested with high-grip radial tires.
‰яModification for installation
‹ÄÈNeed a hole to put through the rear damping force adjustment cable.
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