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 offer a height adjustable spring. HKS height adjustment 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 driving. 

·Front bump rubber needs processing.
·Packers are used when setting the front height to 21 mm or more.
·Spring Rate F/R: 42.6/116.8(N/mm), Height: F=-25 to -45 R=0 to -50 (mm)

*** Does work on the Manual Transmission A90 Supra check it out below ***