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HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit (Part Number: )
HKS Hipermax IV-GT Coilover Kit
Subaru STI 2008-2014
Write a Review | 1 Q&As
Part # 80230-AF001
msrp: $1,590.00

Only 2 left!

Features & Product Details

The HKS Hypermax IV GT Coilovers have been crafted to provide superior handling, style, and looks to your vehicle. 
Here are some additional specs to the Hypermax IV-GT Coilovers:

•    Mono tube design which allows for better control which results in better ride quality when lowered.
•    Dust boost installed on the shafts to protect from harmful road impediments.
•    PNE Coating provided on the height adjustment components to prevent rust and corrosion buildup when making height alterations.
•    Newly designed needle to improve dampening throughout the entire range.
•    Aluminum components designed to reduce unsprung weight.
•    30 Step damping force allow fine and precise tuning for both street and track.

In conclusion this is a direct OEM replacement that comes supplied with top hats, and are ready to install. Additionally these coilovers will come provided with adjustment tools which will make height adjustment convenient for the user. You can adjust the height from the shock body rather than messing with the pre-load. 
Once installed you can fine tune these coilovers to make generous improvements in handling that is suitable for both the track, and on the street.


Brand: HKS
Adjustable: Yes
Camber Adjustable: No
Caster Adjustable: No
Dampening Adjust Type: 30 Way
Damper Type: Inverted
Drop Height Front: 0.0-3.1in
Drop Height Front Metric: 0-79mm
Drop Height Rear: 0.0-3.5in
Drop Height Rear Metric: 0-88mm
Height Adjustable: Yes
Independent Height Adjustable: Yes
Spring Rate Front: 445.4lb/in
Spring Rate Front Metric: 78N/mm
Spring Rate Rear: 336lbs/in
Spring Rate Rear Metric: 50N/mm
Top Hats Included: Yes
Mfgr. Warranty: 1 Year Limited
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.



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  • Q: change spring rate?  Andy5 months ago

    Can I change just the rear springs on the GT to the SP rear springs before ordering?
    • 0 of 0 people found the following answer helpful

      A:  Please chat or call in as we would need to reach out to HKS to see if that would be something we can special order.

      Devan M. @ RallySport Direct 5 months ago  
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