HKS Hipermax IV GT Suspension Subaru Legacy FA20DIT

Code No. 80230-AF004




▲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

12/05 - 14/10

Remarks

Test Vehicle:DIT
Vehicle's data are based on BRG.

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)

-

-





Ride Height

mm

Factory *2

Test data

Adjustable range
High - Low *3

Drivable range
High - Low *4

FRONT

Ride height *1

668

668

688 ～ 618

688 ～ 642

Against stock

-40

-40

-20 ～ -90

-20 ～ -66

REAR

Ride height *1

-

672

713 ～ 639

713 ～ 672

Against stock

-

-41

0 ～ -74

0 ～ -41

*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)

59 ( 6 )

69 ( 7 )

Free height (mm)

220

200

Spring type

Straight Barrel type

Straight

Recommended range to change spring rate N/mm(kgf/mm)

-10+20(-1～+2)

-10+20(-1～+2)

Specification of damper

F

R

Damping force (Rebound/Damping)N*

843 / 157

559 / 147

Default position of dial

15

15

Remaining damper stroke (Rebound/Damping)mm

56 / 57

45 / 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)

327

←

341

308

240

243

263

243

Spring
Set length(mm)

215

←

210

220

198

200

189

200

Length to ride hight
adjuster (mm)

116

←

135

92

39

40

71

40

Lever ratio

1.07

1.30

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





Test vehicle information

F

R

Vehicle weight kg

911

669

Tire size (Air pressure) kPa

245 / 35 - 19 ( 270 )

245 / 35 - 19 ( 260 )

Wheel size

8.0 JJ × 19 off 48

8.0 JJ × 19 off 48

Alignment
(Toe/Camber)

Test data

0 mm / -0°48'

0 mm / -1°36'

Standard value

0 ± 3 mm / -0°15' ± 45'

0 ± 3 mm / -1°00' ± 45'

* Test data at HKS.





Parts List * It may be changed without prior notice.




Point

・Increasing 1 kg of spring rate of front and rear from MAX III enhances the stability during high speed driving furthermore.
・Focusing on the ride quality leads to the product quality improvement, and gradual suspension movement is pursued.
・Adequate posture change and supple damping strike balance between riding comfort and sportiveness while maintaining the vehicle's high-quality image.
・Smooth and non-fluffy vehicle movement is provided so driving becomes comfortable for all passengers.
・Soft and gradual movement enables the driver easily to know the load changes so a car becomes more capable of fast cornering on a winding r...