HKS Max 4 GT-A GDB (A-D) Full Kit

SKU: 15YUY | MPN:  80230-AF002V

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Sale price$2,282.50 USD
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Single Tube Damper Design

  • Mono tube dampers allow for more accurate and stable control and adjustment of dampening. Lower ride height and center 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 (?46 normal type)

  • 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 by optimizing the oil pressure characteristic. We mainly adopted this to the rear damper that can have a better driving experience.

Adopted Pillow Ball Upper Mount

  • For more accurate and sharp steering.

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, circuit winding roads, highway, or the weight of the vehicle.

Specification:

  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket ? ?
Upper mount Spherical bearing ????
Inverted/Normal type Inverted Inverted
Damper/Spring layout Coilover Coilover
Spring rate change at factory Possible Possible
Damping force adjustment with wire - -
Helper spring
(Spring rate N/mm)
?(4.7) ?(19.8)

  

Kit Information

  • Spring of Full Kit
  F R
Spring rate N/mm(kgf/mm) 59+19 ( 6+2=8 ) 38+19 ( 4+2=6 )
Free height (mm) 250 250
Spring type Straight Straight Barrel type
Recommended range to change spring rate N/mm(kgf/mm) ±20 ( 2 ) ?20 ( 2 )
  • Specification of damper
  F R
Damping force (Rebound/Damping)N* 820 / 400 400 / 220
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 70/56(6) 78/91(11)
  • Setting Data
  F R
Default Test Drivable limit
High *
Drivable limit
Low *
Default Test Drivable limit
High *
Drivable limit
Low *
Length of
case (mm)
294 ? 336 285 343 ? 369 340
Spring
Set length(mm)
282 ? ? ? 297 ? ? 295
Length to ride hight
adjuster (mm)
22 ? 64 13 122 ? 148 117
Lever ratio 1.10 1.08

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