HKS Hipermax IV SP Suspension Nissan 350Z Z33

Code No. 80250-AN005

▲The above photo is an item for GRB.

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

Application

Specification

Engine

VQ35DE, VQ35HR

Model Year

02/07 - 08/11

Remarks

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

Separated

Spring rate change at factory

○

○

Damping force adjustment with wire

-

○

Helper spring
(Spring rate N/mm)

○ ( 19.8 )

○ ( 19.8 )

Ride Height

mm

Factory *2

Test data

Adjustable range
High - Low *3

Drivable range
High - Low *4

FRONT

Ride height *1

667

638 ※1

677 ～ 638

677 ～ 638

Against stock

-10

-39 ※1

0 ～ -39

0 ～ -39

REAR

Ride height *1

677

644 ※1

699 ～ 645

699 ～ 645

Against stock

-22

-55 ※1

0 ～ -54

0 ～ -54

*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)

137 ( 14 )

157 ( 16 )

Free height (mm)

200

170

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*

2800 / 600

1200 / 350

Default position of dial

15

15

Remaining damper stroke (Rebound/Damping)mm

57 / 33

63 / 73

* 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)

485

471

491

471

350

320

368

315

Spring
Set length(mm)

236

236

236

236

-

-

-

-

Length to ride hight
adjuster (mm)

48

34

54

34

37

24

51

20

Lever ratio

1.54

1.59(spg) , 1.18(dmp)

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

Test vehicle information

F

R

Vehicle weight kg

844

701

Tire size (Air pressure) kPa

225 / 45 - 18 ( 230 )

245 / 45 - 18 ( 230 )

Wheel size

8 JJ × 18 inset 30

8.5 JJ × 18 inset 33

Alignment
(Toe/Camber)

Test data

0 mm / -1°30'

0 mm / -2°30'

Standard value

in 0～2 mm / -0°40' ± 45'

in 1～3 mm / -1°35' ± 30'

* Test data at HKS.

Parts List * It may be changed without prior notice.

Point

We have developed a sport damper of MAX IV SP for Z33 from the scratch.
Plan 1. Changeable rear rate.
Plan 2. Easy damping force adjustment
To have rear stability for turn-in, we setφ65 series-wound spring with helper and enough bump stroke. Also we set the rear damping force adjustment dial inside the car for fast and easy setting, so that you don’t have to get your hands dirty (need interior works). We set it smooth but firm for the comfortable drive. It’s tight but not uncomfortable and there isn’t bad up and down movement. It also recovers fast.
Preferred dial setting
0-10: Circuit or high speed drive, 11 -20: Winding roads or highway, 21 – 30: Normal drive
We recommend spring rate of 14k for rear if you don’t go...