Spring kit for use with a stock shock absorber for adjusting vehicle height.

Spring kit for use with a stock shock absorber.

HKS already developed performance parts for latest of TOYOTA GR SUPRA keeping in mind the concept of total performance. HKS suspension makes it possible to adjusted vehicle height and lower by -45mm maximum compared to stock suspension. It combines the ability to withstand extreme driving and offers a comfortable ride feeling with a sporty lowdown look. Testing was performed on a touge like circuit Gunma Cycling Center also know as Gunsai, with Japanese racing driver Manabu Orido.

DB42

DB22

Concept and Features:

Recently, a lot of high performance cars feature electronic control of damping force adjustment. HKS assumed it would be best to keep stock electronic control system but add an additional flexibility and offers a height adjustable spring. HKS height adjustable springs kits are a great alternative to conventional springs. With included high adjuster it is possible to select different height suiting your car and enjoy more sporty ride.

●Springs
The springs having a variable pitch of barrel stabilizes the car body.

●Ride Hight Adjuster
The ride height adjuster can be used with stock lower spring seat. Dust boots can be installed in the same was as stock suspension.
Patent pending [2019-091725]

●Rear Bump Rubber
HKS developed a new rear bump rubber specialy for GR SUPRA with improved durability and better suitable performance for lowered application.

●Rear Dust Boots
Stock dust boot won't fit witht he kit, so HKS developed a new one for those who would like to have install it.

Parts List

Vehicle	Model	Engine	Year	Spring Rate N/mm (kgf/mm)	Free Length (mm)	Vehicle Height (Highest - Lowest) (mm)	Vehicle height during test (mm)	Upper Mount	Code No.	Remarks
GR SUPRA	DB42	B58	19/5-	F=43(4.3) R=117(11.9)	Specially-developed	F=-25(-25 - -48) R=-20(-20 - -53)	F=-25 R=-20	F=Stock R=Stock	80280-AT001	• Modification of bump rubber is required. • Attach the packer when you adjust the front thread length 24 mm or more. • Separate purchase of Suspension Error Canceler (SEC, 45012-AT001) is NOT required. Not compatible with SZ grade.
	DB02	B58	20/4-	F=43(4.3) R=117(11.9)	Specially-developed	F=-29(-29 - -52) R=-24(-24 - -57)	F=-29 R=-24	F=Stock R=Stock	80280-AT001	• Modification of bump rubber is required. • Attach the packer when you adjust the front thread length 24 mm or more. • Separate purchase of Suspension Error Canceler (SEC, 45012-AT001) is NOT required. Not compatible with SZ grade.
	DB22	B48	19/5-	F=43(4.3) R=117(11.9)	Specially-developed	F=-16(-16 - -39) R=-19(-19 - -52)	F=-18 R=-19	F=Stock R=Stock	80280-AT001	• Factory presets set to the height for RZ (DB42/DB02). Recommended setting for SZ-R (DB22) is the height at the test. (Ride height data at the test: F=-18, R=-19) • Modification of bump rubber is required. • Attach the packer when you adjust the front thread lengt

for Toyota Supra A90 (J29)

Spring kit for use with a stock shock absorber for adjusting vehicle height.

Concept and Features:

Parts List

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