Taking the Hipermax IV GT to another level, the 20SPEC series completely revises the coilovers and uses new improvements to improve vehicle comfort and suspension performance. Through changes in piston technology HKS has achieved improved dampening performance over time (particularly relevant on spirited runs where you need consistent results) and through revised spring rates and dampening force has achieved to change strut specs to improve rear stroke for more comfort.
If you are looking for the ultimate hybrid of performance and street comfort then the new 20Spec coilovers will be perfect for you 2015+ Subaru WRX or STI!
- Subaru WRX [VAG] (2015, 2016, 2017, 2018, 2019, 2020, 2021)
- Subaru WRX STI [VAB] (2015, 2016, 2017, 2018, 2019, 2020, 2021)
Revised "Hiper" Linear Piston for precise stroke management resulting in smoother valve movements
Front and rear feature rubber top mounts for comfort
Rear shocks feature more stroke for added comfort
Monotube coilover design for reliable track performance
Full shock-body length adjustable for large range in height adjustment
65mm diameter springs cold wound and manufactured in-house at HKS
Feature anti-rust & corrosion characteristics for enhanced durability
30-way adjustable dampening for street/track range
Hard chrome-plated cylinder shaft & non-electrolysis Nickel plated shock bodies for durability in severe weather
Height Adjustable: Yes
Dampening Adjustable: 30-Way
Spring Rate [kgf/mm]: 9/7 (front / rear)
Spring ID [mm]: 65 (front & rear)
Springs Length [mm]: 220/170 (front / rear)
Camber Plate: N/A
Pillowball Mount: N/A
Warranty: One Year HKS
In stock, non special order items can be returned within 30 days of the product arriving to your house or place of work.
Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved via e-mail.
All returns will be subject to a 20% restocking fee minus complete shipping cost (roundtrip).
Any processed orders that have not shipped will incur a 6% cancelation refund fee unless the product was not available to ship within a timely manner. No fee will be incurred if used as store credit.
For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.