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Product Description
The HKS MAX IV GT Coilovers combine street comfort and driving performance.
It's perfect for daily street drive with style and performance. You and your passenger can have a comfortable ride even with a low-down.
Application |
|
Specification |
Engine |
4B11 |
Model Year |
07/10 - |
Remarks |
SST |
|
|
|
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) |
- |
○ ( 19.8 ) |
|
Ride Height |
mm |
|
Factory *2 |
Test data |
Adjustable range High - Low *3 |
Drivable range High - Low *4 |
FRONT |
Ride height *1 |
668 |
← |
690 ~ 643 |
690 ~ 643 |
Against stock |
-32 |
← |
-10 ~ -57 |
-10 ~ -57 |
REAR |
Ride height *1 |
656 |
← |
679 ~ 621 |
679 ~ 621 |
Against stock |
-23 |
← |
0 ~ -58 |
0 ~ -58 |
|
*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) |
79 ( 8 ) |
49 ( 5 ) |
Free height (mm) |
220 |
250 |
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* |
677 / 206 |
647 / 177 |
Default position of dial |
15 |
15 |
Remaining damper stroke (Rebound/Damping)mm |
34 / 79 |
59 / 76 |
|
* 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) |
302 |
← |
323 |
293 |
422 |
← |
442 |
406 |
Spring Set length(mm) |
202 |
← |
202 |
220 |
287 |
← |
286 |
303 |
Length to ride hight adjuster (mm) |
99 |
← |
120 |
72 |
57 |
← |
78 |
25 |
Lever ratio |
1.04 |
1.10 |
|
* Refer to the above explanation *3 of ride height information for drivable high and low limitations. |
Test vehicle information |
|
F |
R |
Vehicle weight kg |
919 |
662 |
Tire size (Air pressure) kPa |
245 / 40 - 18 ( 220 ) |
245 / 40 - 18 ( 200 ) |
Wheel size |
9 JJ × 18 off 22 |
9 JJ × 18 off 22 |
Alignment (Toe/Camber) |
Test data |
out 1 mm / -1°42' |
in 1 mm / -1°12' |
Standard value |
0 ± 2 mm / -1°00' ± 30' |
in 3 ± 2 mm / -1°00' ± 30' |
|
* Test data at HKS. |
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Manufacturer Insight
HKS was founded in 1973 by two talented young engineers in Japan and has since become a world leader when it comes to high end engine tuning, international racing teams, drifting, and turbo supplies. HKS has been an industry leader in aftermarket parts for 35+ years in turbo products, drag racing equipment, drifting products, and more. HKS is known for its great performance, reliability, and quality.
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