Code No. 80230-AM001A
*Discontinued.
An updated MAX IV GT with improved handling and comfort, an ulimate street suspension.
▲The above photo is an item for CZ4A.
Application
| Engine | 4B11 |
|---|---|
| Model Year | 07/10 - 15/09 |
| Remarks |
Specification
| FRONT | REAR | |
|---|---|---|
| Damping force adjustment | 30 steps | 30 steps |
| Base valve | - | - |
| Height adjustable lower bracket | 〇 | 〇 |
| 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 | - | 〇 |
| Helper spring (Spring rate N/mm) | - | 〇 (19.8) |
| Factory *2 | Test data | Adjustable range High - Low *3 |
Drivable range High - Low *4 |
||
|---|---|---|---|---|---|
| FRONT | Ride height *1 | 664 | 650 | 690 ～ 640 | 680 ～ 640 |
| Against stock | -36 | -50 | -10 ～ -60 | -10 ～ -60 | |
| REAR | Ride height *1 | 660 | 646 | 679 ～ 614 | 679 ～ 620 |
| Against stock | -19 | -33 | 0 ～ -65 | 0 ～ -59 | |
*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 ( 10.0 ) | 69 ( 7.0 ) |
| Free height (mm) | 220 | 220 |
| Spring type | Straight Barrel type | Straight Barrel type |
| Recommended range to change spring rate N/mm(kgf/mm) | -20 ( 2 ) | -20 ( 2 ) |
Specification of damper
| F | R | |
|---|---|---|
| Damping force (Rebound/Damping)N* | 720 / 250 | 550 / 250 |
| Default position of dial | 15 | 15 |
| Remaining damper stroke (Rebound/Damping)mm | 38 / 61 | 65 / 71 |
* 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) |
314 | 300 | 322 | 293 | 427 | 414 | 444 | 406 |
| Spring Set length(mm) |
218 | ← | 211 | 220 | 277 | ← | ← | 292 |
| Length to ride hight adjuster (mm) |
81 | 67 | 96 | 58 | 72 | 59 | 89 | 36 |
| 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 (890) | 662 (630) | |
| Tire size (Air pressure) kPa | 245 / 40 - 18 ( 220 ) | 245 / 40 - 18 ( 200 ) | |
| Wheel size | 9.0 JJ × 18 inset 22 | 9.0 JJ × 18 inset 22 | |
| Alignment (Toe/Camber) |
Test data | in 0 mm / -1°54' | in 2 mm / -1°16' |
| Standard value | in 0 ± 3 mm / 0°00' ± 1°00' | in 3 ± 3 mm / -1°30' ± 1°00' | |
* Test data at HKS.
Parts List * It may be changed without prior notice.
Point
20 SPEC improves the driving performance with comfortability, taking HIPERMAX to a new stage.
Readjusted damping force characteristics together with the increased spring rate bring a quick settle down without any extra movement of the vehicle.
In addition, it provides quicker response from the steering in the corner and stability of the outer wheel.
20 SPEC aims improving stability when driving at the limit.
More stability provided when recover the grip at the corner. Spring rate is improved and shock absorption was also improved.
※Keep the front shock body length more than 293 mm. The stabilizer may touch tie rod if turning when damper is fully compressed.
※Make sure to have an appropriate clearance inside of the front wheel.
※Thread length keeps more than 30 mm to prevent the ride height adjuster from touching the stabilizer link.
※Test and wheel alignment date provided for a car with a front lower bolt at the negative camber side.
※Possible to change spring arte front and rear to -2kgf/mm. Please be aware that changing the spring rate will void a warranty.
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