Established in 2008, Synchrotech / MFactory R&D have positioned ourselves as the go-to place in North America for Honda transmission rebuilds and OEM replacement parts, providing rebuild services and Hi-Performance parts for countless top-tier race teams throughout the country. In partnership with MFactory, we are best known for our broad range of Carbon-Composite Synchros, Sleeves, Limited Slip Differentials and Custom Gears. We have now expanded into other JDM models and the US Domestic market with the same advanced synchro technology utilized in the Honda R&D race programs.