Here you can find access to many old tuning files, manuals and other important documents. The likes of Greddy, HKS and other brands are documented here for safekeeping. 

'Instruction Manual' denotes a manual with both installation and operating instructions. Specialty documents will be named accordingly. A tag at the end of the hyperlink will denote any other important information, as well as the document's language.

We would like to thank Brigham Pratt & Giuseppe Carboner for contributing their own documents and scans for this archive.