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HKS HIPERMAX R Coilovers for AP1 / AP2 Honda S2000



1999-2009 Honda S2000 – HKS HIPERMAX R Coilovers

STOCK STATUS: Special Order
These items are typically not in stock and either made-to-order or special order from the manufacturer. After you order we will confirm the estimated lead time and other order details. If you have a specific deadline to receive this order please talk to us before placing your order to ensure that the manufacturer can meet your expectations.
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SKU: 80310-AH001 Category: Brand:
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HKS HIPERMAX R Coilovers for AP1 / AP2 Honda S2000

The HKS HIPERMAX R Coilovers for the Honda S2000 are a reliable and upgraded set of coilovers that offer comfort, performance and style. With a full-length adjustable design and reinforced rubberized pillow-ball top mounts, these coilovers drastically improve the performance of the suspension system, including ride quality and accuracy. The damping force turns the system from stiff to soft and then back to firm to provide optimal handling and road feel. Installation is also made easy with pre-assembled components, allowing for an effortless installation process. The all-aluminum components and pillow-ball mounts are also corrosion-resistant, ideal for those wanting to maintain their coilovers in the long run.

The thrill of driving freely and the ability to adjust to different road surfaces, from racetracks to winding roads, makes the experience all the more enjoyable.

Raised Driving-Comfort, ❝Ultimate All-Round❞

In addition to the latest technologies applied to the HIPERMAX S, the HIPERMAX R has three new features: SRF (Super Response Fluid), LVS (Low Vibration Spring) and Upper Spring Retainer.

SRF (Super Response Fluid)

  • Brand new formulated oil.
  • An enhancement of the viscosity and quality of damper oil.
  • Enhances the traits of damping force to provide exceptional handling performance.
  • Prevents temperature alteration due to heat.

LVS (Low Vibration Spring)

  • Premium grade heavy duty spring.
  • Made with 210k grade ultra-strength wire rods.
  • Adapted to decrease wire length and decrease weight.
  • Enhances steering responsiveness.

Upper Spring Retainer

  • Exclusive to HIPERMAX R.
  • The design enables the damping axis and spring load lines to be arranged in a coaxial manner.
  • Decreasing friction.
  • Smoother shock absorption.


  • Upper Spring Retainer
  • Single Tube
  • 30 levels Adjustable Damping
  • Inverted Type
  • Shock-body Length Adjustable
  • Pillow Upper Mount
  • PNE Coating
  • Low Vibration Spring (LVS)
  • Super Response Fluid (SRF)
  • Spec Change Available
  • Overhaul Available
  • 2-year / 40,000km Warranty
  • The items in bold are exclusive parts for HIPERMAX R.


Spring Rate [N/mm(kgf/mm)]

  • F=157(16) / R=157(16)

Spring Length (mm)

  • F=170(straight) / R=150(straight)

Height At Factory (mm) (Upper / Lower limit)

  • F=-29(3 / -59) / R=-28(0 / -64)

Upper Mount

  • F=pillow ball / R=pillow ball

Upper Mount Modification Before Shipment

  • Unavailable

Spring Rate Change At Factory

  • F=Available R=Available

Recommended Range To Change Spring Rate [N/mm (kgf/mm)]

  • F=±20(2)/ R=±20(2)


  • 1999-2003 Honda S2000 – AP1
  • 2004-2009 Honda S2000 – AP2


  • Ride height data is based on 16 inch tires.

About HKS

HKS is widely recognized as one of the leading aftermarket brands globally.

Since its founding in 1973 by Hasegawa, Kitagawa, and Sigma, HKS has become a leader in the engineering and manufacturing of aftermarket high performance auto parts. HKS aims to create and produce turbo kits and engine components that exceed the quality of those offered by original equipment manufacturers (OEMs).

In October 1973

  • Two ambitious and enthusiastic young engineers had an ambition to create and construct powerful engines and components that the primary Original Equipment Manufacturers could not or chose not to manufacture.
  • Hiroyuki Hasegawa, a former engineer from Yamaha Motor Company, and his colleague Mr.Kitagawa, received an investment from Sigma Automotive Co., Ltd., which is where the name “HKS” comes from. The two started tuning gasoline engines in a shed that was located at the base of Mount Fuji in Japan.

One Year On

  • Mr. Hasegawa constructed the first turbocharger specifically designed for passenger vehicles and has never looked back since.
  • HKS pioneered the Japanese aftermarket performance industry by delivering a host of exciting new products, including the first commercially available electronic turbo timer and boost controller. Other early products included piggy-back fuel computers and sophisticated fuel management tools. Clearly HKS was Driving Performance trends for Japanese vehicles.

HKS Was Driving Performance Trends For Japanese Vehicles

  • Since its inception, HKS has been devoted to providing effective, dependable and green performance systems. The company’s success is based on Mr. Hasegawa’s exemplary leadership, engineering expertise, ingenuity and openness to customer feedback. HKS monitors consumer feedback and input on matters related to material quality, look, sound quality, and, of course, performance. This helps HKS stay abreast of the desires of car enthusiasts. Furthermore, HKS designs its products to be user-friendly, allowing for simple installation.
  • The automotive aftermarket sector is packed with new businesses aspiring to match HKS’ success. However, none can come close to having the same innovative engineering and production capabilities that the hardworking and devoted HKS personnel have access to.
  • For more than 25 years, HKS products have been put to the test in a variety of motorsport disciplines, including drag racing, road racing, rallying and top speed trials. Numerous championships and records have been won or set by vehicles using race-ready HKS components, which has resulted in the brand being associated with high performance in the automotive aftermarket for over 35 years.
  • HKS is ready to remain ahead in the competition of tomorrow’s technology and manufacturing with their brand new, 100,000 sq. ft. state-of-the-art facility situated near Mount Fuji. To further this ambition, HKS Europe was established to increase their racing engine development and production and uphold their “race on Sunday, sell on Sunday” philosophy. Numerous vehicles competing in the current Formula 3 series are being powered by HKS engines, and winning.
  • HKS has grown to become a publicly traded business with an expansive sales and distribution network throughout Asia, Europe, Australia and the Americas to suit its flourishing and steady global customer base. This is due to the fact that there is nothing that can compare to the performance, quality and dependability of HKS when it comes to engine, suspension and drive-train systems.
The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.
Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.
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