R
GR COROLLA
Explanation of the product Application chart
GR COROLLA GZEA14H

R

Code No. 80310-AT007

 

  

The joy of controlling it as you wish,
and its versatility to adapt from the circuit to winding roads
"Ultimate Multi-Performer" with refined driving comfort

 

 

  • Introduction of HIPREMAX R, designed for circuit driving with high-grip tires.
  • Features front camber adjustment mechanism adjustable up to approximately 4 degrees.
  • Convenient camber adjustment accessible from the tire house side despite the deep position of the upper part in the engine compartment.
  • Rear damping force adjustment achievable without removing shock absorbers.
  • Testing conducted with YOKOHAMA ADVAN A052 (265/35R18) tires.
  • Recommended damping dial settings for Fuji Speedway: 10 clicks for the front, 13 clicks for the rear.
  • Adjustment tip: To avoid understeer, adjust the rear towards toe-out direction for improved agility.
  • Versatile performance: Suitable for both track driving and street use.

Application

Engine G16E-GTS
Model Year 22/12 - 
Remarks Confirmed in RZ grade, Morizo edition not confirmed.

Specification

  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket 〇 〇
Upper mount Spherical bearing Spherical bearing
Inverted/Normal type Inverted Normal
Damper/Spring layout Coilover Separated
Spring rate change at factory Possible Possible
Damping force adjustment with wire - -
Helper spring
(Spring rate N/mm) 		〇 (19.8) 〇 (19.8)
Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3		 Drivable range
High - Low *4
FRONT Ride height *1 653 640 688 ～ 618 688 ～ 635
Against stock -19 -32 16 ～ -54 16 ～ -37
REAR Ride height *1 667 654 691 ～　612 691 ～　612
Against stock -24 -37 0 ～ -79 0 ～ -79

*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) 137 ( 14.0 ) 196 ( 20.0 )
Free height (mm) 150 170
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* 1515 / 932 966 / 638
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 48 / 39 44 / 41

* 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)		 310 300 327 292 312 302 330 270
Spring
Set length(mm)		 206 206 188 206 - - - -
Length to ride hight
adjuster (mm)		 32 22 67 14 64 55 81 25
Lever ratio 1 1.40(spg) , 1.27(dmp)

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



Test vehicle information

  F R
Vehicle weight kg 861 　(880) 606 　(590)
Tire size (Air pressure) kPa 265 / 35 - 18 ( 200 ) 265 / 35 - 18 ( 200 )
Wheel size 10.0 JJ × 18 inset 25 10.0 JJ × 18 inset 35
Alignment
(Toe/Camber)		 Test data out 2 mm / -4°00' out 5 mm / -2°10'
Standard value 0 ± 2 mm / -1°39' ± 0°45' in 1 ± 2 mm / -2°07' ± 0°45'

* Test data at HKS.


 

■ Kit Includes　* It may be changed without prior notice.

 

 


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