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HKS Hipermax IV GT Suspension Subaru WRX STI VAF EJ25

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HKS Hipermax IV GT Suspension Subaru WRX STI VAF EJ25

SKU: 80230-AF008

Manufacturer: HKS

HKS

Quick Overview

HKS HIPERMAX MAX4GT IMPREZA VAF/VAG EJ25/FA20 WRX STI USDM by HKS from only £1,740.00
£1,620.00 Excl. Tax £1,944.00 Incl. Tax

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Details

Code No. 80230-AF008




▲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

Specification

Engine

FA20(TURBO)

Model Year

14/** -

Remarks

USDM FA20 6MT

FRONT

REAR

Damping force adjustment

30 steps

30 steps

Base valve

-

-

Height adjustable lower bracket





Upper mount

Rubber

Rubber

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)

○ ( 4.7 )

○ ( 4.7 )





Ride Height

mm

Factory *2

Test data

Adjustable range
High - Low *3

Drivable range
High - Low *4

FRONT

Ride height *1

648



675 ~ 620

675 ~ 627

Against stock

-27



0 ~ -55

0 ~ -48

REAR

Ride height *1

659



679 ~ 605

679 ~ 605

Against stock

-20



0 ~ -74

0 ~ -74

*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 )

59 ( 6 )

Free height (mm)

220

170

Spring type

Straight Barrel type

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*

971 / 412

392 / 147

Default position of dial

15

15

Remaining damper stroke (Rebound/Damping)mm

62 / 51

61 / 55

* 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)

269



285

269

253



269

235

Spring
Set length(mm)

249



238

270

206



206

231

Length to ride hight
adjuster (mm)

28



55

7

44



60

1

Lever ratio

1.00

1.26

* 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

235 / 45 - 17 ( 230 )

235 / 45 - 17 ( 220 )

Wheel size

8.0 JJ × 17 inset 55

8.0 JJ × 17 inset 55

Alignment
(Toe/Camber)

Test data

0 mm / -2°30'

0 mm / -2°18'

Standard value

IN * ± * mm / -*°**' ± **'

IN * ± * mm / -*°**' ± **'

* Test data at HKS.





Parts List * It may be changed without prior notice.




Point

“Natural steering feeling” so that a driver can trace the line as desired was pursued as STI’s unique handling characteristic.
Focusing on driving stability during cornering to match the vehicle’s characteristics, the helper springs in the front and rear maintain the stroke amount on the extension side so the tires can continuously contact even on rough road surfaces.
Management of VPS improves the driving comfort and sportiness. Driving comfort can be maintained under long-distance driving much better than the stock suspension.
Utilizing the helper springs in both front and rear dampers enables to secure the stroke of the extension side as possible.
The default setting i...

Additional Information

Manufacturer HKS
Fitment N/A
Color N/A
Note N/A
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