HKS Hipermax IV GT Coilovers for the Scion FR-S & Subaru BRZ

Adjusting your vehicles suspension is one of the easiest ways to instantly improve overall performance. HKS offers a complete line of performance coilover suspension systems. The HKS Hipermax IV line is their top tier setup, tuned and designed for street performance and race applications. HKS utilizes its experience from 35 years of circuit, GT, drift, and drag racing to bring you the cutting edge in suspension technology.

The HKS Hipermax IV GT coilovers for the Scion FR-S and Subaru BRZ are a top tier performance coilover setup that are perfect for street and some track applications. These coilovers use hardened anodized aluminum mounts and parts where possible and powder-coated steel mounts for high stress parts. HKS uses high quality springs but a Swift Spring upgrade is also available. If you are looking for high quality but very streetable coilovers than look no further!

Applications:

• Subaru BRZ [ZC6] (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020)
• Scion FR-S [ZN6] (2013, 2014, 2015)
• Toyota 86 [ZN6] (2016, 2017, 2018, 2019, 2020)

Features

Hiper Linear Piston for precise stroke management resulting in smoother valve movements. As piston speed increases, dampening rate linearly increases.
Adjustable Front Pillow-ball Mount
Strengthened metal rear upper mounts
Monotube coilover design
Full shock-body length adjustable
65mm diameter springs cold wound and manufactured in-house at HKS
Feature anti-rust & corrosion characteristics for enhanced durability.
30-way adjustable dampening
Hard chrome-plated cylinder shaft & non-electrolysis Nickel plated shock bodies for durability in severe weather

Extended Information

Shock Design: Monotube
Height Adjustable: Yes
Dampening Adjustable: 30-Way
Rebuildable: N/A
Spring Rate: 6K / 4K (front / rear)
Spring ID: 65mm (front and rear)
Springs Size: 170mm (front / rear - length)
Camber Plate: Front
Pillowball Mount: Front & Rear
Warranty: One Year HKS

Spring of Full Kit

F R Spring rate N/mm(kgf/mm) 59 ( 6 ) 38 ( 4 ) Free height (mm) 170 170 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* 900 / 300 720 / 150 Default position of dial 15 15 Remaining damper stroke (Rebound/Damping)mm 41 / 46 53 / 47

* 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) 230 220 245 204 265 254 276 234 Spring Set length(mm) 164 ← 164 170 189 ← 189 206 Length to ride hight adjuster (mm) 47 37 62 15 51 40 62 3 Lever ratio 1.06 1.28

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

Test vehicle information

F R Vehicle weight kg 0 0 Tire size (Air pressure) kPa 215 / 45 - 17 ( 240 ) 215 / 45 - 17 ( 240 ) Wheel size 7.0 JJ × 17 off +48 7.0 JJ × 17 off +48 Alignment (Toe/Camber) Test data 0 mm / -1°12' IN 1 mm / -2°24' Standard value 0 ± 3 mm / 0°00' ± 45' IN 2 ± 3 mm / -1°12' ± 45'

* Test data at HKS.