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HKS Hipermax IV GT Suspension Nissan 370Z Z34 80230-AN009

MAX IV GT Code No. 80230-AN009

‰Ð_The above photo is an item for ZN6.

Awesome control and comfort ride on the street for a sporty drive. The new Max IV sporty suspension.

Application ‹ÛÛ Specification
Engine VQ37VHR
Model Year 08/12 - 
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket 䄆 䄆
Upper mount Rubber Rubber
Inverted/Normal type Normal Normal
Damper/Spring layout Coilover Separated
Spring rate change at factory Possible Impossible
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 *1 682 ‰ � 703 •__ 669 703 •__ 669
Against stock -21 ‰ � 0 •__ -34 0 •__ -34
REAR Ride height *1 688 ‰ � 708 •__‹ÛÛ646 708 •__‹ÛÛ665
Against stock -20 ‰ � 0 •__ -62 0 •__ -43
*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) 98 ( 10 ) 88 ( 9 )
Free height (mm) 200 -
Spring type Straight Special shape
Recommended range to change spring rate N/mm(kgf/mm) å±20 ( 2 ) -
Specification of damper
  F R
Damping force (Rebound/Damping)N* 1069 / 265 451 / 167
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 77 / 38 77 / 93
* 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)
422 ‰ � 422 422 372 ‰ � 388 372
Set length(mm)
245 ‰ � 232 253 - - - -
Length to ride hight
adjuster (mm)
76 ‰ � 89 68 45 ‰ � 57 31
Lever ratio 1.67 1.67(spg) , 1.28(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 823 670
Tire size (Air pressure) kPa 245 / 35 - 20 ( 280 ) 285 / 30 - 20 ( 290 )
Wheel size 9.5 JJ ÌÑ 20 off 40 10.5 JJ ÌÑ 20 off 30
Test data 0 mm / -1å¡42' 0 mm / -3å¡30'
Standard value in 3.0 •__ in 1.0 mm / -1å¡30' •__ 0å¡00' in 5.4 •__ 2.0 mm / -2å¡15' •__ -1å¡15'
* Test data at HKS.

Parts List * It may be changed without prior notice.

‹ÄÈUltimate damper for comfortable street drive.
‹ÄÈMAX IV has many new technology for the better performance and comfort. 
‹ÄÈHandling is smooth and balance is perfect. Smooth but strong damping.
‹ÄÈSet for comfortable long drive, and also your passenger will not be tired. 
‹ÄÈFor all kind of driving situation such as racing, winding road and city street.
‹ÄÈIt's also great with A/T vehicle and stock vehicle can have a comfortable driving.
‹ÄÈThe vehicle height data from other than the test is computational data.(The numbers does not guaranteeing the height)
‰яProcess for installation
Required to make an hole for rear damping adjustment cable(rear interior)
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