HKS Hipermax IV SP Suspension Nissan Skyline R32 GTR BNR32

Code No. 80250-AN004

▲The above photo is an item for GRB.

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

Application

Specification

Engine

RB26DETT

Model Year

89/08 - 94/12

Remarks

V-SpecII

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)

-

○ ( 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 ～ 589

675 ～ 610

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)

±20 ( 2 )

±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

Spring
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 × 18 inset 22

9 JJ × 18 inset 22

Alignment
(Toe/Camber)

Test data

0 mm / -2°00'

in 2 mm / -2°33'

Standard value

0 ～ in 2 mm / -0°55' ± 45'

in 2 ± 2 mm / -1°05' ± 30'

* Test data at HKS.

Parts List * It may be changed without prior notice.

Point

・Set for both of street and circuit and for people who like to drive fast. For people who want fast recovery and firm damping force.
・Set to have great drivability and handling and still have ability to track the road.
・Tested with high-grip radial tires.

●Modification for installation
・Need a hole to put through the rear damping force adjustment cable.