HKS 2020- GR Supra / 2021- GR Supra 2.0 Hipermax R DB42 Full Kit (80310-AT003)

Regular price $2,884.20 USD Sale price $2,884.20 USD Regular price $3,300.00 USD
Sale 12.6% $415.80 USD (12.6%)
Special order - Ships in 5+ weeks
SKU: hks80310-AT003
Product Description

HKS SUSPENSION is engineered to provide a smooth and pleasant ride. Dampers of the Single Tube style are used by HKS. We believe it is the ideal option for street, sport, and comfortable driving. It will aid in achieving optimal traction in all conditions for superior driving performance. To offer the highest quality product, all of our products use Single Tube design and are manufactured in our plant in Japan. By consolidating the technological capabilities established over the previous 9 years since the launch of the MAX IV SP, the HIPERMAX R Series has attained astonishing performance that is unequaled by any other brand.


  • Toyota GR Supra (2020-)
  • Toyota GR Supra 2.0 (2021-)


"SRF" (Super Response Fluid) Exclusive newly developed Oil.

  • Improved damper oil quality and viscosity.
  • Improves characteristics of Damping force, achieving great handling performance.
  • Suppresses temperature change caused by heat.

"LVS" (Loe Vibration Spring) Exclusive high-strength Springs.

  • Manufactured with 210K-grade high-strength wire rods.
  • Adopted to shorten wire length and reduce weight.
  • Improves Steering response.

"Upper Spring Retainer" Exclusive for HIPERMAX R

  • Allow the damping axis and spring load lines to align coaxially.
  • Reducing friction.
  • Smoother damping.

To provide faster delivery and turn around time; Kami Speed ships products out from different warehouses throughout the United States. Usually averaging 1-4 business days for processing prior to shipping.

Depending on the package, we ship using different carriers according to the item's location, content, and size.

Freight truck items, will require up to 7 business days to ship due to size. i.e. hoods, trunks, body kits, etc.

All orders made after 3:00pm ET will be shipped or processed the next business day.

Orders over $500 will ship insured and over $1,000 with signature and insurance in order to guarantee delivery. Orders over $1000 may not be able to ship to a different address not listed as the billing address or confirm payment address from the form of payment used. Orders with suite numbers or apartment numbers will require signature if valued over $200.

All international orders outside of the USA are subject to duties and taxes per your countries jurisdiction and determined by customs.
Kami Speed serves the right to ship using an alternative method if we see it fit, in order to expedite shipping and reduce your rate depending on product value.

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 Clearance Items, 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.

WARNING: Operating, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to

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