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HKS Hipermax IV SP Suspension Honda S2000 80250-AH001

S2000 AP1
MAX IV SP Code No. 80250-AH001

‰Ð_The above photo is an item for AP1.AP2.

The sport model to have a comfortable drive even in the winding road.

Application ‹ÛÛ Specification
Engine F20C
Model Year 99/04 - 05/10
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket 䄆 䄆
Upper mount Spherical bearing Spherical bearing
Inverted/Normal type Normal Normal
Damper/Spring layout Coilover Coilover
Spring rate change at factory Possible Possible
Damping force adjustment with wire - ‰ÑÜ ‰ÛÈ5
Helper spring
(Spring rate N/mm)
䄆 ( 19.8 ) 䄆 ( 19.8 )

Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 634 ‰ � 669 •__ 602 669 •__ 609
Against stock -35 ‰ � 0 •__ -67 0 •__ -60
REAR Ride height *1 643 ‰ � 672 •__‹ÛÛ599 672 •__‹ÛÛ606
Against stock -29 ‰ � 0 •__ -73 0 •__ -66
*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) 157 ( 16 ) 157 ( 16 )
Free height (mm) 170 150
Spring type Straight Straight
Recommended range to change spring rate N/mm(kgf/mm) å±20 ( 2 ) å±20 ( 2 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 2000 / 500 1400 / 600
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 38 / 47 50 / 50
* 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)
410 ‰ � 438 405 292 ‰ � 269 282
Set length(mm)
L:212 / R:208 ‰ � ‰ � L:224 / R:220 208 ‰ � ‰ � 223
Length to ride hight
adjuster (mm)
L:65 / R:69 ‰ � L:93 / R:97 L:48 / R:52 37 ‰ � 60 12
Lever ratio 1.50 1.49
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.

Test vehicle information
  F R
Vehicle weight kg 614 630
Tire size (Air pressure) kPa 225 / 40 - 18 ( 220 ) 255 / 35 - 18 ( 220 )
Wheel size 8.0 JJ ÌÑ 18 off 54 9.0 JJ ÌÑ 18 off 63
Test data 0 mm / -1å¡30' in 0 mm / -3å¡00'
Standard value in 0 å± 2 mm / -0å¡30' å± 0å¡10' in 6 å± 2 mm / -1å¡30' å± 0å¡10'
* Test data at HKS.

Parts List * It may be changed without prior notice.

HKS has developed it for a sporty drive. We have tested over and over with professional driver in TC2000 and Fuji Speedway short course for all other settings.(Tire size 1: F:245/40-17&R:255/35-18, Tire size 2: F:225/40-18&R:255/35-18) The test result of rate is 16k/16k, but with newest technology, the ride is mild and have perfect control. With smooth movement will prevent from traction slip and with the dial adjustment, you can move weight as you want to. It has a special characteristic of weight movement and better grip. We have done the setting with AD08R high grip tires. If you don‰۪t use such a high grip tires or circuit attack, we recommend 2k down for both front and rear.
*5 Only left side
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