HKS HIPERMAX-G Full Strut/Spring Kit - 2013-2021 Subaru BRZ /Scion FR-S/ Toyota 86

HIPERMAX-G Full Strut and Spring Kit for the 2013-2021 FR-S, BRZ, and 86

The HKS HIPERMAX-G Full Strut and Spring Kit for the 2013-2021 Subaru BRZ, Scion FR-S, and Toyota 86 is a height-adjustable spring and strut system that lowers the FA20 chassis while improving handling characteristics. The HIPERMAX-G is positioned as HKS's street-comfort performance suspension. Lower spring rates than the Hipermax S and R, focused on improving handling response and lowering ride height without the firmness of a full performance coilover.

Specs & Highlights

• Height adjustable strut and spring system
• Street-comfort calibration, lower spring rates than Hipermax S
• Lowers ride height
• Improves handling response over OEM
• Full front and rear kit
• Fitment: 2013-2021 Subaru BRZ / Scion FR-S / Toyota 86

4.0/3.5 kgf/mm, 36mm Body, 12 Clicks, -10 to -30mm

The HIPERMAX-G uses 4.0 kgf/mm (224 lbf/in) front and 3.5 kgf/mm (196 lbf/in) rear spring rates, approximately 15–20% stiffer than the stock FA20 chassis spring rates while remaining significantly softer than the Hipermax S (6–7 kgf/mm) and R (9–10 kgf/mm). Ride height adjustment range is -10mm to -30mm front and -10mm to -25mm rear. The HIPERMAX-G uses a 36mm piston shock absorber body with 12 clicks of combined compression/rebound adjustment, providing the adjustment range appropriate for its street-comfort specification.

Street-Comfort Position in the HKS Coilover Hierarchy

The HIPERMAX-G fills the gap between HKS lowering springs and their performance coilover lineup. For FA20 owners who want a lower, better-handling car for everyday street driving without the track-day firmness of the Hipermax S or R, the G provides the ride height and handling improvement while prioritizing street comfort.

Lowers the FT86 Correctly Without Track-Day Firmness

Height adjustment range is appropriate for most street setups on the FT86 chassis. Four-wheel alignment is required after installation. The HIPERMAX-G is the right system for owners who want to lower the car correctly with quality hardware without compromising daily drivability.

The FT Breakdown

The HIPERMAX-G is HKS's comfort-oriented suspension upgrade for the first-generation FT86 platform. If you want the car lower and better-handling than stock but you drive it every day on imperfect roads, the G is the appropriate level of the HKS lineup. The 4.0/3.5 kgf/mm at 12 clicks of adjustment is the correct specification for an FT86 that is primarily a street car but responds better to drive than the factory suspension allows. It does not try to be the Hipermax R with softer rates — it is a distinct product designed for a distinct use case, which is the FA20 chassis driven enthusiastically on real roads.