Name: HKS HIPERMAX IMPREZA WRX STI GDB 80300-AF003
Availability: InStock

HKS HIPERMAX IMPREZA WRX STI GDB 80300-AF003

Product Code:80300-AF003

Please select per-product shipping when placing the order. This can be shipped via economy air shipping to most parts of Asia, the US, and Europe. However, the territories cannot be covered with this shipping, we may request an additional shipping charge after the buyer places the order.

Description

Towards a new value of “driving comfort” that is not just about fun and comfort.

■ Compatibility/installation information

Engine model	EJ20(TURBO)
Model year	04/06 – 07/06

■ Specifications

	FRONT	REAR
Damping force adjustment	30 steps	30 steps
base valve	–	–
Full-length adjustment	〇	〇
upper mount	rubber	rubber
Handstand/erect	Handstand	Handstand
Damper/spring configuration	integrated type	integrated type
Spring rate change at the time of shipment	Not possible	Not possible
Damping force adjustment with wire	–	–
Helper Spring (spring rate N/mm)	〇 (19.8)	〇 (19.8)

■ Vehicle height information

		At time of shipment*2	During testing	Maximum upper limit ~ Maximum lower limit *3	Drivable upper limit – Drivable lower limit *4
FRONT	Vehicle height *1	657	←	688-636	688-644
FRONT	Normal ratio	-36	←	-5 to -57	-5 to -49
REAR	Vehicle height *1	645	←	662-581	662-592
REAR	Normal ratio	-22	←	-5 to -86	-5 to -75

*1. Height from the road surface to the fender arch.
*2. The vehicle height at the time of shipment is reference measurement data based on a combination of full kit settings within HKS. (This is our recommended vehicle height.)
*3. Adjustable range (However, please note that driving at the lower limit in this case will not comply with safety standards.
Also, even if the vehicle is within this adjustment range, Depending on the height, there is a risk of interference with the body, arms, etc., which may impede driving.Please
note that we also guarantee against problems such as damper oil leaks caused by lowering the vehicle height significantly from the factory height . Please note that this is not applicable.)
*4. The range within which the vehicle can be driven without interfering with the body, arms, etc. (However, this may not apply depending on changes in tire/wheel size, etc.)
Note: Data may vary depending on individual vehicle differences and assembly conditions.

■ Kit information

● Full kit setting spring

	F	R
Spring rate N/mm (kgf/mm)	69 (7.0)	49 (5.0)
Free length (mm)	220	250
spring type	Straight barrel type	Straight barrel type
Recommended range when changing spring rate N/mm (kgf/mm)	–	–

● Damper specs

	F	R
Damping force (retention side/compression side) N*	873 / 456	314/280
Factory dial position	15	15
Damper remaining stroke (retention side/contraction side) mm	57/42	62/74

*The damping force value is the value when the piston speed is 0.1m/sec.

● Setting data

	F				R
	At the time of shipment	During testing	Drivable upper limit *	Drivable lower limit *	At the time of shipment	During testing	Drivable upper limit *	Drivable lower limit *
Case length (mm)	286	←	302	286	368	←	369	343
Spring set length (mm)	249	←	237	261	290	←	275	314
Winding dimension (mm)	45	←	73	33	121	←	137	72
lever ratio	1.10				1.08

*For the maximum and minimum driving limits, please refer to the above column of vehicle height information *3.

■ Test vehicle information

		F	R
Vehicle weight (catalog value) kg		– (880)	– (580)
Tire size (air pressure) kPa		235 / 40 – 18 ( 230 )	235 / 40 – 18 ( 190 )
wheel size		8.5 JJ × 18 inset 50	8.5 JJ × 18 inset 50
Alignment (toe/camber)	During testing	in 0 mm / -1°48′	in 1 mm / -2°00′
Alignment (toe/camber)	Reference value	in 0 ± 3 mm / -0°30′ ± 0°45′	in 0 ± 3 mm / -1°40′ ± 0°45′