HKS Max IV GT Coilovers - Subaru WRX STI 09-14

HKS Max IV GT Coilovers - Subaru WRX STI 09-14

SKU: 80230-AF001

Brand: HKS

Price:

$1,494.60

Free Shipping

Product Description

The new Max IV sporty suspension. Awesome sporty drive with great control and comfortable ride in the street.

It's perfect for daily street drive with style and performance. You and your passenger can have a comfortable ride even with a low-down.

Application

Specification

Engine	EJ25(TURBO)
Model Year	09/02 - 14/08
Remarks

	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	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 ～ 606	685 ～ 643
FRONT	Against stock	-31	←	0 ～ -79	0 ～ -42
REAR	Ride height *1	650	←	684 ～　597	684 ～　616
REAR	Against stock	-34	←	0 ～ -87	0 ～ -68

*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	44 / 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	234
Spring Set length(mm)	214	←	214	220	195	←	185	200
Length to ride hight adjuster (mm)	63	←	91	53	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.

Product Reviews

×

Write Your Own Review

How do you rate this product?

Write a headline for your review here:

Write your review here:

Your email:

We promise to never spam you, and just use your email address to identify you as a valid customer.

Enter your name: (optional)

This product hasn't received any reviews yet. Be the first to review this product!

Write A Review
Manufacturer Insight

HKS was founded in 1973 by two talented young engineers in Japan and has since become a world leader when it comes to high end engine tuning, international racing teams, drifting, and turbo supplies. HKS has been an industry leader in aftermarket parts for 35+ years in turbo products, drag racing equipment, drifting products, and more. HKS is known for its great performance, reliability, and quality.
Find Similar Products by Category