HKS Max 4 SP CZ4A Full Kit

SKU: 0JN15 | MPN:  80250-AM001
Sale price$2,187.50 USD Regular price$2,300.00 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 Spherical bearing
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)
? ( 19.8 ) ? ( 19.8 )

Kit Information

  • Spring of Full Kit
  F R
Spring rate N/mm(kgf/mm) 108 ( 11 ) 78 ( 8 )
Free height (mm) 170 200
Spring type Straight Straight
Recommended range to change spring rate N/mm(kgf/mm) ±10 ( 1 ) ±20 ( 2 )
  • Specification of damper
  F R
Damping force (Rebound/Damping)N* 2246 / 432 785 / 235
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 41 / 58 68 / 67
  • Setting Data
  F R
Default Test Drivable limit
High *
Drivable limit
Low *
Default Test Drivable limit
High *
Drivable limit
Low *
Length of
case (mm)
301 301 319 274 436 424 449 411
Spring
Set length(mm)
202 208 202 230 267 267 255 274
Length to ride hight
adjuster (mm)
92 86 110 37 91 79 116 59
Lever ratio 1.04 1.10

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