HKS Hipermax Max IV SP Drag DB42 Full Kit for the GR Supra 2020+
Return of Drag Specification Dampers. Introducing the latest technologies to suit modern drag racing requirements.
▲The above photo is an item for DB42.
Application
Engine
B58
Model Year
19/05 -
Remarks
*After lowering the vehicle height, the irradiation range of a radar and camera may become narrow that result in malfunction of TSS.
Specification
FRONT
REAR
Damping force adjustment
30 steps
30 steps
Base valve
-
-
Height adjustable lower bracket
○
○
Upper mount
Spherical bearing
Spherical bearing
Inverted/Normal type
Inverted
Normal
Damper/Spring layout
Coilover
Separated
Spring rate change at factory
〇
○
Damping force adjustment with wire
-
‐
Helper spring(Spring rate N/mm)
-
-
Ride Heightmm
Factory *2
Test data
Adjustable rangeHigh - Low *3
Drivable rangeHigh - Low *4
FRONT
Ride height *1
665
←
670 ～ 626
670 ～ 626
Against stock
-22
←
-17 ～ -61
-17 ～ -61
REAR
Ride height *1
678
←
686 ～ 623
686 ～ 623
Against stock
-20
←
-12 ～ -75
-12 ～ -75
*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 )
98 ( 10 )
Free height (mm)
200
250
Spring type
Straight
Straight
Recommended range to change spring rate N/mm(kgf/mm)
＋10(1)
±20 ( 2 )
Specification of damper
F
R
Damping force (Rebound/Damping)N*
378 / 927
3310 / 294
Default position of dial
15
15
Remaining damper stroke (Rebound/Damping)mm
44 / 45
49 / 65
* The value of the damping force is at piston speed of 0.1m/sec.
Setting data
F
R
Default
Test
Drivable limitHigh *
Drivable limitLow *
Default
Test
Drivable limitHigh *
Drivable limitLow *
Length ofcase (mm)
289
←
289
264
323
←
330
291
SpringSet length(mm)
188
←
183
196
-
-
-
-
Length to ride hightadjuster (mm)
33
←
38
0
57
←
62
24
Lever ratio
1.18
1.69(spg) , 1.20(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
785.5 (780)
744 (740)
Tire size (Air pressure) kPa
255 / 35 - 19 ( 220 )
275 / 35 - 19 ( 220 )
Wheel size
9.5 J × 19
10.5 J × 19
Alignment(Toe/Camber)
Test data
in 0 mm / -2°07'
in 0 mm / -1°30'
Standard value
in 3.1 mm ± 2.3 mm / -1°45' ± 0°30'
in 2.7 mm ± 2.3 mm / -2°00' ± 0°25'
* Test data at HKS.
Parts List * It may be changed without prior notice.
Point
GR Supra has a launch control to allow an excellent start. However, the stock suspension is set to assure traction in front and rear for multiple situation.The MAX IV SP DRAG is specifically designed to provide traction on the rear tire and maintain that traction.Bump rubber is attached to the rear shock in order to cope with the higher power and higher grip expected in the future. Bump rubber has the effect of a another spring.The full-length adjustable suspension allows the stroke ratio (bump touch timing) to be changed without changing the vehicle height. Adjusting the shock length of the rear shock to a shorter value can delay the
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| Артикул | 80250-AT003D |
| Виробник | HKS |
| Сумісність | GR Supra 2020+ |