HKS Hipermax IV GT Spec A Suspension Kit Subaru Impreza GDB

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	Code No. 80230-AF002V

▲The above photo is an item for GDB・GDA・GGA.

Ultimate Street Damper with Latest Theory Based on MAX IV GT

Application

Specification

Engine	EJ20(TURBO)
Model Year	00/10 - 04/05
Remarks

	FRONT	REAR
Damping force adjustment	30 steps	30 steps
Base valve	-	-
Height adjustable lower bracket	○	○
Upper mount	Spherical bearing	ゴム固定
Inverted/Normal type	Inverted	Inverted
Damper/Spring layout	Coilover	Coilover
Spring rate change at factory	Possible	Possible
Damping force adjustment with wire	-	-
Helper spring (Spring rate N/mm)	○(4.7)	○(19.8)

Ride Height

		Factory *2	Test data	Adjustable range High - Low *3	Drivable range High - Low *4
FRONT	Ride height *1	642	←	693 ～ 635	693 ～ 637
FRONT	Against stock	-46	←	0 ～ -58	0 ～ -56
REAR	Ride height *1	638	←	667 ～　628	667 ～　634
REAR	Against stock	-28	←	0 ～ -38	0 ～ -33

*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+19 ( 6+2=8 )	38+19 ( 4+2=6 )
Free height (mm)	250	250
Spring type	Straight	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*	820 / 400	400 / 220
Default position of dial	15	15
Remaining damper stroke (Rebound/Damping)mm	70/56(6)	78/91(11)

* 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)	294	←	336	285	343	←	369	340
Spring Set length(mm)	282	←	←	←	297	←	←	295
Length to ride hight adjuster (mm)	22	←	64	13	122	←	148	117
Lever ratio	1.10				1.08

* Refer to the above explanation *3 of ride height information for drivable high and low limitations.

Test vehicle information

		F	R
Vehicle weight kg		897	612
Tire size (Air pressure) kPa		235 / 40 - 18 ( 220 )	235 / 40 - 18 ( 220 )
Wheel size		8.5 JJ × 18 off 50	8.5 JJ × 18 off 50
Alignment (Toe/Camber)	Test data	0 mm / -1°12'	+2 mm / -1°48'
Alignment (Toe/Camber)	Standard value	0 ± 3 mm / -0°30' ± 45'	0 ± 3 mm / -1°40' ± 45'

* Test data at HKS.

Parts List * It may be changed without prior notice.

Point

"Ultimate Street Damper" developed for VAB model under supervision by rally driver Mr. Toshihiro Arai. Maintaining handlability and stability to enjoy driving on various road conditions were focused to develop this damper. Then, the genuine damper delivering the best ride comfort not only for the driver but also passengers was developed. The damping force tends to be stiff to secure the ride quality; however, it may cause the reduction of the tire’s surface pressure resulting in lowering the limit grip force. Also, the ride quality may deteriorate due to the vertical G force. Reviewing the geometry and stroke, establishing required spring rate and damping force, completely eliminating unnecessary elements achieved the handlability and stability in a high level that allows this product to deliver the outstanding road holding performance. Also, Mr. Arai was impressed of the improvement of understeering, which is a typical characteristic of GDB. With the latest suspension made by the latest technology, transformation of a car will be experienced. Smooth and appropriate steering and load movement is required to handle a car with this product developed under supervision by rally driver Mr. Toshihiro Arai.

New bump rubbers act as sub-springs; therefore, to adjust the vehicle height, change the case length, and to adjust the timing when the bump rubber touches, change the case length and preload.
The tie rod may come in contact with the stabilizer when the damper is compressed under full-braking.
The vehicle height except the tested height is the calculated value; therefore, actual height may be different.

Dit product is compatibel met volgende voertuigen

Voertuig Merk:	Voertuig Model:	Voertuig Variant:	Vanaf:	Tot:	Motorcode:	Notes
Subaru	Impreza	WRX	2000	2003	EJ205	2.0L - 4WD Petrol
Subaru	Impreza		2000	2003	EJ20	2.0L - 4WD Petrol
Subaru	Impreza		2000	2003	EJ201	2.0L - 4WD Petrol
Subaru	Impreza	WRX	2000	2003	EJ207	2.0L - 4WD Petrol

Whether it is engine, exhaust, suspension, or drive-train systems, there is no substitute for the performance, quality and reliability of HKS. Part-Box/Co-ordSport are an approved distributor for HKS performance and tuning products.

For over 35 years, HKS products have been put to the test in drag racing, road racing, rallying, and top speed trials. HKS equipped vehicles have captured numerous racing championships and hold claim to a myriad of competition records using many “off the shelf”, race proven HKS components. As a result, HKS has been synonymous with “performance” in the automotive aftermarket industry for the past 35+ years.

HKS
Model: 80230-AF002V
Beschikbaarheid: Op voorraad

RRP: €2.758,80 (incl. BTW)
Excl. BTW: €2.280,00

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