Toyota Supra, Yaris GR, Tuning & Performance
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HKS Hipermax IV SP Supra JZA80

HKS Hipermax IV SP Supra JZA80

£1,860.00

The sport model to have a comfortable drive even in the winding road.

This “MAX IV SP” is the ultimate sport model for such a high grip radial tire. It will transfer the feelings straight to driver all kinds of information such as tire, road surface condition and traction. It’s a perfect street sport model suspension for people who love to drive fast but still want comfort.

In stock

Description

MAX IV SP

Code No. 80250-AT002

 

The sport model to have a comfortable drive even in the winding road.

 

 

The model in the photo is JZA80.

 

 

 

Application

Engine 2JZ-GE
Model Year 93/06 – 02/07
Remarks Not compatible with the vehicle with REAS (Relative Absorber System) except for in the case of removing the hydraulic unit.

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 Normal Normal
Damper/Spring layout Coilover Coilover
Spring rate change at factory
Damping force adjustment with wire
Helper spring
(Spring rate N/mm)
○ ( 19.8 ) ○ ( 19.8 )
Ride Heightmm
Factory *2 Test data Adjustable range
High – Low *3
Drivable range
High – Low *4
FRONT Ride height *1 646 643 691 ~ 571 691 ~ 625
Against stock -46 -49 0 ~ -120 0 ~ -67
REAR Ride height *1 643 639 668 ~ 570 668 ~ 629
Against stock -25 -29 0 ~ -98 0 ~ -39

 

*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) 216 ( 22 ) 157 ( 16 )
Free height (mm) 170 200
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* 1600 / 450 800 / 400
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 37 / 62 ( 12 ) 59 / 77 ( 27 )

* 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)
364 362 390 362 349 346 368 346
Spring
Set length(mm)
209 219 264 272
Length to ride hight
adjuster (mm)
42 40 68 30 94 91 113 83
Lever ratio 1.78 1.31

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

Test vehicle information

F R
Vehicle weight kg 837 (830) 693 (680)
Tire size (Air pressure) kPa 265 / 35 – 18 ( 200 ) 265 / 35 – 18 ( 200 )
Wheel size 10 JJ × 18 off 25 10 JJ × 18 off 25
Alignment
(Toe/Camber)
Test data 0 mm / -3°00′ +1 mm / -2°30′
Standard value 0 ± 1 mm / -0°20′ ± 30′ in 3 ± 1 mm / -1°35′ ± 30′

* Test data at HKS.

 

Parts List  * It may be changed without prior notice.

 

Point

Sports type suspension design based on MAX Ⅳ GT for high-grip radial tires is available for JAZ80 Supra.
The product has been designed through the full use of HKS’ latest technologies. To determine the final specification, extensive product testing was performed to ensure compatibility in both high ride quality for everyday driving and better handling for circuit driving. A new valve combined with the latest piston design and an all new low resistance and compliant bump rubber all work together to produce a ride which is at a new level from previous designs. While unnecessary movement is minimized on the high ways or winding roads, the smoothness on gaps and bumps on the road maintains high driving comfort and excellent grounded feeling, which invites drivers step on the accelerator with confidence. The product was tested on the public roads, which were not only the smooth surface roads but also rough and undulating surface roads, and Fuji International Speed Way to finalize the settings.
Under everyday driving conditions, its proper damping force to the piston speed enables the damper movement to be soft and obedient; but reliable damping is provided in necessary condition. The gentle and non-fluffy vehicle movement is provided as well. The damper movement is obedient and smooth even on gaps and bumps on the highways or winding roads.
For circuit driving, making a full use of the tires’ performance by smooth stroke was focused on. The movement with adequate damping characteristics enables more aggressive driving with better ground-contact feeling in the critical area of cornering. The stability in rear upon entering a corner, control performance in the critical area of cornering, traction and controllability at start were examined during the development process, and feedback by time measuring was conducted to contribute to time attack.
Newly designed bump rubbers are included, and this bump rubbers act as low resilient sub-springs assisting at bumps. The assist amount can be adjusted by changing the case length.
The default setting is focusing on easy handling. To reduce the vertical movement of the rear at gaps, etc., extend the case length approximately by 5mm.
To adjust the vehicle height, change the case length. Only when changing the point where the bump rubber touches the case, change the ratio of the case length and thread length.
The value in ( ) of the compression stroke is the point where the bump rubber touches the case.

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