By email for HKS USA customers in North & South America (HKS USA offers support for products purchased through an Authorized HKS USA Dealer Network) hksoutlet@hksusa.com
For other regions outside of North & South America please visit HKS Overseas Network for support.
Direct Email Support offers the quickest and most frequent response time and detailed info (ideal for specific detailed issues). Please visit the HKS Overseas Network link for inquiries on vehicles and products from other regions.
Email Web Technical Support (This option is to be used only to report or seek assistance with website structure or browsing issues, NOT for HKS Tech or Parts support.)
