HKS HIPERMAX IV GT Coilover Kit – 2004-2011 Mazda RX-8

$3,133.48

SKU: 80230-AZ001 Category: Tags: , , , Brand:

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.

Single Tube Damper Design

Mono tube dampers allow for more accurate and stable control and adjustment of dampening. Lower ride height and centre of gravity gives a more stable ride.

Dust Boot

Protect the shaft from the flying stones.

PNE Coating

Using this special surface coating provides 5 times better durability over standard galvanising. This prevents build-up around the threads of the adjustment areas allowing for easier height adjustment.

“M Shaft”

With the new design of cylinder shaft since the HIPERMAX M-1, MAX IV increased the cylinder shaft size to have a firm damping even at a little stroke range because of the optimized oil pressure characteristic. We mainly adopted this to the rear damper that can have a better driving experience.

New Design Needle

Newly designed needle has been used to revise the very low speed and middle and high speed dampening which is key to a comfort ride.

Reduction of Unsprung Weight

In order to reduce unsprung weight, bracket, ride height adjusters and lock nuts are made from aluminium. (Not for all vehicles)

30 Step Damping Force Adjustment

30 levels of dampening adjustment allow fine tune adjustment for street or circuit.

 

ApplicationSpecification
Engine13B-MSP
Model Year03/04 – 12/06
Remarks
FRONTREAR
Damping force adjustment30 steps30 steps
Base valve
Height adjustable lower bracket
Upper mountRubberStock
Inverted/Normal typeNormalNormal
Damper/Spring layoutCoiloverCoilover
Spring rate change at factoryPossibleImpossible
Damping force adjustment with wire
Helper spring
(Spring rate N/mm)

 

Ride Heightmm
Factory *2Test dataAdjustable range
High – Low *3
Drivable range
High – Low *4
FRONTRide height *1662685 ~ 600685 ~ 629
Against stock-230 ~ -850 ~ -56
REARRide height *1648679 ~ 624679 ~ 624
Against stock-37-6 ~ -61-6 ~ -61
*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
FR
Spring rate N/mm(kgf/mm)88 ( 9 )49 ( 5 )
Free height (mm)200
Spring typeStraightSpecial shape
Recommended range to change spring rate N/mm(kgf/mm)±20 ( 2 )
Specification of damper
FR
Damping force (Rebound/Damping)N*1334 / 304608 / 167
Default position of dial1515
Remaining damper stroke (Rebound/Damping)mm34 / 5650 / 65
* The value of the damping force is at piston speed of 0.1m/sec.
Setting data
FR
DefaultTestDrivable limit
High *
Drivable limit
Low *
DefaultTestDrivable limit
High *
Drivable limit
Low *
Length of
case (mm)
359375342374405365
Spring
Set length(mm)
194194200
Length to ride hight
adjuster (mm)
43592024550
Lever ratio1.451.00
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.

 

Test vehicle information
FR
Vehicle weight kg
Tire size (Air pressure) kPa225 / 45 – 18 ( 220 )225 / 45 – 18 ( 220 )
Wheel size8.5 JJ × 18 off 398.5 JJ × 18 off 39
Alignment
(Toe/Camber)
Test dataout 2 mm / 1°30′in 5.7 mm / 2°42′
Standard valuein 2 ± 3 mm / -0°05′ ± 45′in 3 ± 3 mm / -1°05′ ± 45′
* Test data at HKS.

 

Point
・MAX IV improved cornering adn still has the deriving comformt.
・The cornering performance has improved by changing front rate of 1k up and renewed the roll strength of MAXIII.
・We have tuned rear damper for better driving performance and comfort.
・The default setting for dial is 15 step for both front and back. If you want more comrfortable setting, set it to 25 to 30 step.
・It’s easy to worn out because the floor of rear axle is lower. Please be careful not to lower too much.
・MAX IV is also good with A/T. Even at a winding road driving will be comfortable.
・The vehicle height data from other than the test is computational data.(The numbers does not guaranteeing the height)

Additional information

Weight30 kg
Dimensions92 × 41 × 41 cm

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Applications

Models suitable for this product

MakeModelYearSubmodel
MakeModelYearSubmodel
MazdaRX-82004 - 2006Base - 1.3L
MazdaRX-82005Shinka Special Edition - 1.3L
MazdaRX-82007 - 2009Touring - 1.3L
MazdaRX-82007 - 2011Grand Touring - 1.3L
MazdaRX-82007 - 2011Sport - 1.3L
MazdaRX-8200840th Anniversary - 1.3L
MazdaRX-82009 - 2011R3 - 1.3L

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