Description
Hipermax MAX4SP Toyota 86/Subaru BRZ
Code no. 80230-AT001
【MAX IV GT】
The new Max IV sporty suspension. Awesome sporty drive with great control and comfortable ride in the street.
It’s perfect for a daily street drive with style and performance. You and your passenger can have a comfortable ride even with a low-down.

Application
Engine FA20 Model Year 12/04 – 21/10 Remarks
Specification
FRONT | REAR | |
---|---|---|
Damping force adjustment | 30 steps | 30 steps |
Base valve | – | – |
Height adjustable lower bracket | ○ | ○ |
Upper mount | Spherical bearing | Spherical bearing |
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) | – | ○ ( 19.8 ) |
- Ride Heightmm
Factory *2 Test data Adjustable range
High – Low *3Drivable range
High – Low *4FRONT Ride height *1 652 638 671 ~ 611 671 ~ 629 Against stock -19 -33 0 ~ -60 0 ~ -42 REAR Ride height *1 654 642 675 ~ 623 675 ~ 623 Against stock -21 -33 0 ~ -52 0 ~ -52 *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 ) 78 ( 8 ) Free height (mm) 170 150 Spring type Straight 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* 1000 / 300 750 / 250 Default position of dial 15 15 Remaining damper stroke (Rebound/Damping)mm 33 / 54 46 / 54 * 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)225 212 243 204 255 245 271 235 Spring
Set length(mm)168 168 168 168 199 199 199 204 Length to ride hight
adjuster (mm)38 25 56 17 25 15 41 0 Lever ratio 1.06 1.28 * Refer to the above explanation *3 of ride height information for drivable high and low limitations.
Test vehicle information
F R Vehicle weight kg 669 (-) 507 (-) Tire size (Air pressure) kPa 225 / 40 – 18 ( 200 ) 255 / 35 – 18 ( 200 ) Wheel size 8.0 JJ × 18 off + 40 9.0 JJ × 18 off + 52 Alignment
(Toe/Camber)Test data -0°00′ / -1°00′ ・ -3°00′ ± 0° / -2°30′ Standard value – – - Parts List
Suspension Components
Point
・The perfect sporty suspension for 86/BRZ.
・For both of street and to circuit drive with high grip radial tire.
・We have set it for the best performance in drivability. It’s not too stiff but have the stability and provide good performance of the tires and still have a comfortable ride.●Modification for installation
・Need a hole to put through the rear damping force adjustment cable.
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