Golden Week Specials ~ May 8, 2025
Hello from the RHDJapan team in Osaka. We are happy to share an extra special batch discount for Golden Week 2025. The warehouse and offices will be closed April 29th, as well as May 5th and 6th, in observation of the National Holidays. Leadtime holds on orders will be pushed back 5 business days on affected orders during this time frame. Therefore items ordered on the site with no specified availability/lead-time information will not be put on hold to confirm of order processing if the item will be received within 15 work days from April 24~May 8.

In celebration of Golden Week and to ensure our absolute best pricing, ALL items qualify for an additional 5% discount at checkout with:
Coupon Code: GoldenWeek2025
Valid until May 8 08:30AM JST
Notification: Cusco Price Increases
Hello from the RHDJapan blogspot. We have received notification that due to rising raw material prices, there will be price increases applied to select Cusco products, starting May 1st.
Please lock in any orders for these items you require with us by April 28, 2025 8:30AM to ensure the pre-increase prices.
Notification: DHL Update for United States
DHL has provided an important update for shipments to the USA:
"Effective Monday, April 21st, 2025, and until further notice, we will temporarily suspend the collection and shipping of business-to-consumer (B2C) shipments to private individuals in the United States where the declared customs value exceeds USD 800.
Shipments – both B2B & B2C - with a declarable customs value below USD 800 are not affected by the suspension."
For more information for US customers and dealers, please check the DHL site here
Changes may happen with affected orders, in the meantime we will continue to approve and process orders as normal.
Spring Campaign 2025 ~April 30
Thank you for checking out our blog. Our RHDJapan consolidated shipping quotes are renowned for balancing the best total shipped price and providing solid packaging.
With our consistency in our shipping carriers, we have recently been able to lock in some improved rates for many locations! This will provide a consistent refined shipped total for individually purchased products.
From Container or any large sized shipments, right down to singular item requirements, RHDJapan continues to push for next-level services.
To promote some extra incentive we will be applying a 6% additional discount on a majority of the items that already have the improved shipping rate! This discount applies to ALL products within 67 different sub-categories!

Coupon Code:
RHDJapanSpringCampaign2025
Coupon code will apply further discount on ALL products in the categories below that qualify. Enjoy even better pricing on large volume to low volume type orders!
Campaign ends April 30, 08:30AM JST.
COOLING
TURBO & NA SYSTEMS
Notification: TRUST GReddy Racing Plug price increases ~April 15
Hello from the RHDJapan blogspot. We have received notification that there will be price increases applied to Spark Plugs (Racing Plug Pro / Iridium) from TRUST GReddy, from April 15, 2025. More details available here:
Please lock in any orders you require with us from April 14, 2025 8:30AM to ensure the price.
Please also remember to check price and stock using our stockchecker from April 14.