Code No. 80120-AH208
*Discontinued.
"Not just for lowering the vehicle height." "Super Low Stance Model" for reliable driving performance.
The model in the photo is RG1.
Application
| Engine | K20A |
|---|---|
| Model Year | 05/05 - 09/09 |
| Remarks | The vehicle height data is of RG1. |
Specification
| FRONT | REAR | |
|---|---|---|
| Damping force adjustment | 30 steps | 30 steps |
| Base valve | - | - |
| Height adjustable lower bracket | ○ | ○ |
| Upper mount | Spherical bearing | Stock |
| Inverted/Normal type | Inverted | Normal |
| Damper/Spring layout | Coilover | Separated |
| Spring rate change at factory | Possible | Impossible |
| Damping force adjustment with wire | - | - |
| Helper spring (Spring rate N/mm) | - | - |
| Factory *2 | Test data | Adjustable range High - Low *3 |
Drivable range High - Low *4 |
||
|---|---|---|---|---|---|
| FRONT | Ride height *1 | 656 | ← | 707 ～ 600 | 707 ～ 612 |
| Against stock | -51 | ← | 0 ～ -107 | 0 ～ -95 | |
| REAR | Ride height *1 | 646 | ← | 646 ～ 617 | 646 ～ 617 |
| Against stock | -70 | ← | -70 ～ -99 | -70 ～ -99 | |
*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 ) | 78 ( 8 ) |
| Free height (mm) | 170 | - |
| Spring type | Straight | Special shape |
| Recommended range to change spring rate N/mm(kgf/mm) | +10 ( 1 ) | - |
Specification of damper
| F | R | |
|---|---|---|
| Damping force (Rebound/Damping)N* | 696 / 216 | 588 / 284 |
| Default position of dial | 20 | 20 |
| Remaining damper stroke (Rebound/Damping)mm | 37 / 50 | 56 / 43 |
* 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) |
352 | ← | 397 | 323 | 397 | ← | 397 | 365 |
| Spring Set length(mm) |
160 | ← | 160 | 170 | - | - | - | - |
| Length to ride hight adjuster (mm) |
49 | ← | 94 | 10 | 61 | ← | 61 | 34 |
| Lever ratio | 1.14 | 1.09(spg) , 0.89(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 | - (900) | - (640) | |
| Tire size (Air pressure) kPa | 215 / 45 - 18 ( 280 ) | 215 / 45 - 18 ( 280 ) | |
| Wheel size | 7.5 JJ × 18 inset 48 | 7.5 JJ × 18 inset 48 | |
| Alignment (Toe/Camber) |
Test data | in 0 mm / -2°54' | in 5 mm / -1°12' |
| Standard value | 0 ± 2 mm / 0°00' ± 1° | 1 ～ 6 mm / -1°00' ± 1° | |
* Test data at HKS.
Parts List * It may be changed without prior notice.
Point
・This is a serious low-down damper kit for serious dress-up users.
・We set it a little harder to prevent from interfering the aero parts with ground and rolling and bad drivability because of the heavy big wheels and tires.
・Adjustable upper mount is used in the front chamber. However the installation part hole for the vehicle is too small that it can’t adjust chamber for upper plate to the maximum level. (Chamber at test was 3.5)
・If you make the front case width less than 327mm, the body and the stabilizer will interfere with each other at a full stroke or steering.
・Recommended Dial setting; Front:20, Rear:20
・The vehicle height data from other than the test is computational data.(The numbers does not guaranteeing the height)
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