MAX IV GT 20SPEC：S660

MAX IV GT 20SPEC

S660

Application chart

S660 JW5
	Code No. 80230-AH007A

▲The above photo is an item for AP1.

An updated MAX IV GT with improved handling and comfort, an ulimate street suspension.

Application

Specification

Engine	S07A
Model Year	15/04 -
Remarks

	FRONT	REAR
Damping force adjustment	30 steps	30 steps
Base valve	-	-
Height adjustable lower bracket	×	〇
Upper mount	Spherical bearing	Rubber
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)	-	-

Ride Height

		Factory *2	Test data	Adjustable range High - Low *3	Drivable range High - Low *4
FRONT	Ride height *1	579	575	599 ～ 561	599 ～ 561
FRONT	Against stock	-20	-24	0 ～ -38	0 ～ -38
REAR	Ride height *1	605	601	627 ～　576	627 ～　576
REAR	Against stock	-23	-27	-1 ～ -52	-1 ～ -52

*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)	29 ( 3.0 )	39 ( 4.0 )
Free height (mm)	200	220
Spring type	Straight	Straight Barrel type
Recommended range to change spring rate N/mm(kgf/mm)	+10 ( 1 )	±10 ( 1 )

Specification of damper

	F	R
Damping force (Rebound/Damping)N*	206 / 142	201 / 211
Default position of dial	15	15
Remaining damper stroke (Rebound/Damping)mm	34 / 55	35 / 81

* 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)	205	←	←	←	365	361	385	341
Spring Set length(mm)	188	←	170	200	218	←	218	220
Length to ride hight adjuster (mm)	32	←	50	20	26	22	46	0
Lever ratio	1.08				1.11

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

Test vehicle information

		F	R
Vehicle weight kg		-	-
Tire size (Air pressure) kPa		165 / 55 - 15 ( 190 )	195 / 45 - 16 ( 200 )
Wheel size		5 JJ × 15 inset 38	6.5 JJ × 16 inset 45
Alignment (Toe/Camber)	Test data	in 0 mm / -0°05'	in 4 mm / -1°23'
Alignment (Toe/Camber)	Standard value	in 0 ± 3 mm / 0°00' ± 1°00'	in 3 ± 3 mm / -1°30' ± 1°00'

* Test data at HKS.

Parts List * It may be changed without prior notice.

Point

Newly developed as a 20 SPEC for HONDA S660 by using the latest know-how.
Ensured the higher balance both sports and comfortability by revising damping force characteristics and using a new shaped needle and preload valve.
Reducing the damping force at the bump side leads to a comfortable ride and soft setting at low to mid-speed brings prompt steer response.
GT20 SPEC has a more damping force adjusting range compared to MAXIV GT. It makes easier to select suitable damping force in various situations.
Improved easy adjustment using rubber sheet at the front and insulator at the rear, and improved smooth spring movement.
By adding a 4 mm spherical collar helps to prevent issues with height adjustment that doesn't have enough stroke amount and also helps to avoid problems with meeting the vehicle inspection requirements.
Overall length is 4 mm higher than during our test time due to a 4 mm spherical collar that is installed as a standard at the time of shipment. Removing the spherical collar allows to lower vehicle for 4 mm.
Overall length upper/lower limits are with included/excluded 4mm spherical collar respectively.
Removing the spherical collar allows to lower the vehicle for 4 mm without changing stroke amount. Do not remove a 10 mm spherical collar. Removing it will lead to upper mount interference and may cause damage and accident.

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