MAX IV GT CIVIC
Explanation of the product Application chart

CIVIC FK7
MAX IV GT Code No. 80230-AH009
 
 


▲The above photo is an item for FC1.

Ultimate Street Damper with Latest Theory Based on MAX IV GT



Application   Specification
Engine L15C
Model Year 17/09 - 
Remarks Designed based on the vehicle model available in US hachback. 6MT Model Knuckle's insertion diameter: 52.0mm
 
  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 Separated
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 *1 654 679 ~ 628 660 ~ 628
Against stock -25 0 ~ -51 -19 ~ -51
REAR Ride height *1 662 681 ~ 616 681 ~ 647
Against stock -28 -9 ~ -74 -9 ~ -43
*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) 39 ( 4 ) 39 ( 4 )
Free height (mm) 220 220
Spring type Straight Barrel type Straight Barrel type
Recommended range to change spring rate N/mm(kgf/mm) + 19 ( 2 ) + 10 ( 1 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 304 / 147 314 / 108
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 58 / 59 59 / 100
* 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)
230 230 230 370 394 332
Spring
Set length(mm)
195 189 220 - - - -
Length to ride hight
adjuster (mm)
25 31 0 43 61 29
Lever ratio 1.03 1.08(spg) , 0.95(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 803 516
Tire size (Air pressure) kPa 235 / 40 - 18 ( 240 ) 235 / 40 - 18 ( 230 )
Wheel size 8.0 JJ × 18 inset 50 8.0 JJ × 18 inset 50
Alignment
(Toe/Camber)
Test data 0 mm / -0°31' IN 2.0 mm / -2°04'
Standard value IN 0 ± 2 mm / -0°18' ± 30' IN 2 +2 -1 mm / -1°12' ± 45'
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
While the stock setting was performed for supple and quick movement to provide more fun of driving control, HKS Hipermax IV GT provides “Civic like” sporty driving style and smooth cornering by reducing the vehicle body roll and improved the rear side stiffness.
The stock front suspension design is very complex like S660; after studying the internal structure, to improve the complexity HKS traditional single tube inverted type is selected for the front side. The sufficient stroke is maintained to provide a better drivability and driving performance even without the body-length adjustable system.
The upper plate positioning bolt for camber adjustment for the front side is included. The camber position can be fixed at the stock standard positon and ±0.5° of the stock position.
The damping force adjustment cable for the rear side is included so the way of adjusting the damping force is very simple; it does not require lifting a vehicle or removal of a damper for damping force adjustment.
This suspension focuses more on the ride comfort compared to the existing. Stable ride comfort is provided under various driving conditions. No floating feeling on a highway, unwanted upthrust on a street with this suspension.
For firmer ride feeling, tighten the dial. Adjust the damping force appropriate for the driving condition.
To set the front vehicle height to the stock level, change the spring length to 250mm.
 
※In order to remove the stock suspension, removal of the front knuckle and hub assy is required. Installation by a professional is recommended.
 
 


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