RHDJapan Blog Blog on JDM news, racing, drifting and thoughts from Osaka


Campaign: HKS Hipermax S / Hipermax R Coilover Suspension ~Jan 30

Seasons Greetings from the RHDJapan blog. We are proud to announce another campaign just introduced which applies to the newest of the HKS Hipermax series suspension, the S and R series!

The RHDJapan will be offering an additional JPY11,111 discount on any of the full kits listed on the site. Many R series are still being rolled out, any new requests will also apply!
Coupon code included in each listing that qualifies


New Series: Endless Function -IMA Series Coilovers

The Function-IMA series of coilovers has been released in 2022 to provide another option to the semi-order type Function .com series lineup.

Available in 3 different series to provide best match settings for vehicle in different fields of application. Each setup utilizing different variations of the X Coils series types, Spring Rates and Spring Pre-Load. Applications may have differing inner diameter and length and Competition spec may also implement the FELz series Primary/Helper Spring. 


Suspension Springs Spring Campaign ~April 29

Greetings from the RHDJapan team. We would like to announce the second of our new brake/handling campaigns starting off the Spring Season.

Get an additional 5% discount on any Handling Springs on the site.
~April 29 6:00JST

With over 10,000 different Suspension Springs options from 2 dozen different manufacturers available on the site we have great options for just about any vehicle. All applications are covered from a variety of different specs for competition motorsports to street and sports, show and stance compatible with OEM layout and any custom coilover type setup.

Proper Ride-Height and Spring Rate is one of the first steps in setting up vehicle customization and final steps in fine handling setup for serious motorsports.


HKS Suspension Campaign ~Limited Stock

Hello from the RHDJapan and Seasons Greetings. We are excited to announce some more great deals, much better than ever before!

This post is to introduce massive discounts (UP to additional 35%!) on select Hipermax series of HKS Suspension for a few lucky vehicles! Look for the sale banner as seen in the screenshots below for extra special discounts. If your vehicle does not have the sale banner and coupon code in the listing you can still receive a 5% discount on your select suspension with
coupon code: 2020HandleIt


HKS Hipermax Coilover S-Style C/L Campaign

Thank you for checking the RHDJapan blog spot. We have another great campaign to extend for premium comfort, handling performance and adjustability on select HKS Hipermax Coilover Suspension S-Style C & L

Available for select applications with the sale banner, get an additional 15% discount off our regular sale price!
Only available while stock lasts!!


HPI X DG-5 Coilover Suspension Collaboration Campaign ~Feb 28

Thank you for checking the RHDJapan blog. This campaign is for those looking for a high performance all around sports orientated coilover suspension kit. Available for around 50 of the select popular street/circuit machines.

RHDJapan is proud to be given the opportunity to extend an additional 10% discount off the whole lineup from HPI. Available immediately until the end of the month.


TRUST GReddy PS Compact Suspension Campaign ~Sept 28

Thank you for checking out the RHDJapan blog. We are proud to announce another great original campaign. This one is targeted for K-Car's looking for top handling performance. In this campaign there will be an additional discount and FREEBIE T-Shirt with the purchase of any of the PS Compact coilover suspension lineup!


HKS Hipermax Coilover Suspension Campaign ~August 31

Thank you for checking the RHDJapan blog. We are proud to announce the second of many great deals to come from HKS in celebration of the 45th Anniversary! Get an additional JPY8,000 discount on the whole lineup of Hipermax IV GT and SP series coilovers!

All items marked with Sale Banner qualify and coupon code provided within the listing!




Hello from the RHDJapan team and thank you for checking out this special offer. As we move into the warmer more active seasons we have a nice little campaign for those after some serious TRUST/GReddy products. A standard item for just about any wardrobe lineup! With one of the most in depth lineups of tuning parts for a vast array of modern day sports vehicles many people can benefit and qualify for this FREEBIE!

The classic layout featuring GReddy logo is available as a FREE service with the purchase of select items from TRUST GReddy:


Turbo Kits

Muffler System

Manifolds & Headers

Performance Damper Kit

Intercooler Kit

Aluminum Radiator TW-R Series

Oil Cooler Kit

Transmission / Differential Oil Cooler Kit

Unfortunately *Only available in Japan size L

Japan large size is between M~L for western sizes, possibly a Small by Texas USA measurements)



HKS Hipermax Coilover Suspension Campaign ~March 30

Thank you for checking the RHDJapan blog. We are proud to announce the second of many great deals to come from HKS in celebration of the 45th Anniversary! This blog is for the whole lineup of Hipermax IV SP and Hipermax IV GT Spec-A series! Get an additional JPY10,000 discount on all items marked with Sale Banner!

Also, get an additional 100 reward points on orders placed before the end of February!