HKS Hipermax IV GT Suspension Subaru Impreza GRF

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Awesome control and comfort ride on the street for a sporty drive. The new Max IV sporty suspension.

Application

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Specification

Engine	EJ25(TURBO)
Model Year	09/02 -
Remarks

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	FRONT	REAR
Damping force adjustment	30 steps	30 steps
Base valve	-	-
Height adjustable lower bracket	â—‹	â—‹
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)	-	-

Ride Height

		Factory *2	Test data	Adjustable range High - Low *3	Drivable range High - Low *4
FRONT	Ride height *1	654	←	685 ï½ž 606	685 ï½ž 646
FRONT	Against stock	-31	←	0 ï½ž -79	0 ï½ž -39
REAR	Ride height *1	650	←	684 ï½žã€€596	684 ï½žã€€615
REAR	Against stock	-34	←	0 ï½ž -88	0 ï½ž -69

*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 )	59 ( 6 )
Free height (mm)	220	200
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*	1422 / 373	461 / 177
Default position of dial	15	15
Remaining damper stroke (Rebound/Damping)mm	47 / 69	40 / 60

* 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)	269	←	297	265	253	←	268	233
Spring Set length(mm)	217	←	←	220	195	←	185	200
Length to ride hight adjuster (mm)	63	←	91	56	39	←	64	14
Lever ratio	1.10				1.38

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

Test vehicle information

		F	R
Vehicle weight kg		893	627
Tire size (Air pressure) kPa		245 / 40 - 18 ( 230 )	245 / 40 - 18 ( 190 )
Wheel size		9.0 JJ × 18 off 45	9.0 JJ × 18 off 45
Alignment (Toe/Camber)	Test data	0 mm / -2°36'	0 mm / -1°42'
Alignment (Toe/Camber)	Standard value	0 ± 3 mm / -0°40' ± 45'	0 ± 3 mm / -1°35' ± 45'

* Test data at HKS.

Parts List * It may be changed without prior notice.

Point

ãƒ»It didn't give up the driving performance and at the same time it provides comfort in town driving. MAX IV has advanced even more from the MAX III.
ãƒ»We have adopted newly developed needle and variable port system for both front and rear that makes damping force at the low speed range, which is very important for comfortable and great steering with no upthurst and floating feel.
ãƒ»With the new design of piston and M shaft for rear damper provides better oil pressure that gives comfortable dive.
ãƒ»The damping level can be adjusted with dial for slow drive or winding road drive or all other type of situation.
ãƒ»The normal rear damper has not so good driving experience but the MAX IV provides awesome feeling and performance in driving, especially for a town drive.
ãƒ»Even setting the damping level to soft doesn't make it floating feeling so when having a long distance driving, you won't get tired and have a great comfort for the passenger.
ãƒ»When you set the damping level to hard, you can feel directly of the step differrence and direct handling.
ãƒ»Set damping level 20 to 25 for soft and 10 to 15 for hard setting.

For over 40 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 40+ years.

Dit product is compatibel met volgende voertuigen

Voertuig Merk:	Voertuig Model:	Voertuig Variant:	Vanaf:	Tot:	Motorcode:	Notes
Subaru	Impreza		2007	2014	EJ20T	2.0L - 4WD Petrol
Subaru	Impreza	WRX	2009	2014	EJ255	2.5L S - 4WD Petrol
Subaru	Impreza	STi	2009	2014	EJ255	2.5L 330S - 4WD Petrol
Subaru	Impreza	WRX	2009	2014	EJ257	2.5L S - 4WD Petrol
Subaru	Impreza	STi	2009	2014	EJ257	2.5L 330S - 4WD Petrol
Subaru	Impreza	Cosworth STi	2009	2014	EJ257	2.5L CS400 - 4WD Petrol
Subaru	Impreza	WRX	2009	2014	EJ255	2.5L 330S - 4WD Petrol
Subaru	Impreza	WRX	2009	2014	EJ257	2.5L 330S - 4WD Petrol
Subaru	Impreza		2010	2014	EJ20T	2.0L - 4WD Petrol
Subaru	Impreza	Cosworth STi	2010	2011	EJ257	2.5L CS400 - 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-AF001
Beschikbaarheid: Op voorraad

RRP: €2.250,60 (incl. BTW)
Excl. BTW: €1.860,00

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