The Type R puts the power down through a short - throw 6 - speed manual transmission with helical limited slip differential hooked up to 245 / 30ZR20 Continental SportContact 6 high - performance tires on 20x8.5 - inch black - finished aluminum wheels. (hondanews.com)
The innovative feature of the Torsen differential was its arrangement of helical gears with special teeth cut at an angle to the gear axis. (ausmotive.com)
Toyota receives the JSME award for developing a low - force, shape - designing technology for retouching the tooth surfaces of helical gears (toyota-global.com)