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

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

SKU: 80230-AF001
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Brand: HKS
Price:
$1,494.60
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Quantity:
New In stock
  • 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 mm
      Factory *2 Test data Adjustable range
    High - Low *3
    Drivable range
    High - Low *4
    FRONT Ride height *1 654 685 ~ 606 685 ~ 643
    Against stock -31 0 ~ -79 0 ~ -42
    REAR Ride height *1 650 684 ~ 597 684 ~ 616
    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'
    Standard value 0 ± 3 mm / -0°40' ± 45' 0 ± 3 mm / -1°35' ± 45'
    * Test data at HKS.
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  • 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.

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