SKU: 78591947597

HKS Hipermax Iv Gt Fd3s Full Kit

Sale price$697.50 Regular price$775.00
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

HKS Hipermax Iv Gt Fd3s Full KitThis is set for city street drive. HKS has redesigned the M shaft and inside of the damper that has improved driving experience and handling by pulling up damping fast from the start. The new design of rear upper plate give more adherence to the body. The recommended setting for dial is 15 step for both front and back. If you want more comrfortable setting, set it to 25 to 30 step. MAX IV can handle from city street to winding roads. Application:

This is set for city street drive. HKS has redesigned the M shaft and inside of the damper that has improved driving experience and handling by pulling up damping fast from the start. The new design of rear upper plate give more adherence to the body.
The recommended setting for dial is 15 step for both front and back. If you want more comrfortable setting, set it to 25 to 30 step. MAX IV can handle from city street to winding roads.

Application:

Engine 13B-REW
Model Year 91/12 - 02/08
Remarks -

Specification:

  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket ? ?
Upper mount Rubber Rubber
Inverted/Normal type Normal 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 *1 645 ? 665 ? 598 665 ? 620
Against stock -20 ? 0 ? -67 0 ? -45
REAR Ride height *1 653 ? 677 ??591 677 ??619
Against stock -24 ? 0 ? -86 0 ? -58

*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) 200 200
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* 1353 / 363 1079 / 314
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 45 / 55 44 / 56

* 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)
377 ? 390 370 301 ? 318 283
Spring
Set length(mm)
190 ? ? 200 194 ? ? 200
Length to ride hight
adjuster (mm)
74 ? 87 57 74 ? 91 50
Lever ratio 1.49 1.40

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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78591947597

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joshua
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★★★★★ 5
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Reviewed in the United States on February 20, 2026
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Rebecca
West Palm Beach, US
★★★★★ 5
Great! Worth the money
Size: 4.5", Style: Open
These things are amazing!!!! So strong you can hang a 20ft ladder and they don’t budge at all. Soooo easy to use especially in a metal building/shed
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Reviewed in the United States on December 10, 2025
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Guitar
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★★★★★ 4
Good product. Know the limits.
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These are very nice. Sure beats drilling holes in your steel. However, 45lb is a stretch. Will easily hold 25lbs. However 35+ is a stretch, especially if your walls shift a little due to be close to a door. Will definitely order more, just important to understand the limits. Thanks.
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Reviewed in the United States on February 21, 2026
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Valhalla Ranch
Cuba, US
★★★★★ 5
Finally, a product that meets all of its advertised claims!
It seems to me like this product is always out of stock. Of the ones I have received and been able to use. They work as advertised and hold an incredible amount of weight. It is very easy to put them on and off, but once they are latched down, you could not remove them by hand without bending the hooks I would like to have a few more boxes to use in my steel building.
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