For the Honda K-Series to replace the 5th gear to add extra strength to the input and output shafts in heavy duty applications. Typically used with PPG 1-4 synchromesh and dogbox applications due to the nature of Straight cut gears, despite their high load carrying capacity, they to walk apart from each other. Bracing is necessary, even for High Performance applications using Helical cut gears to keep shafts properly aligned.
Works in ALL K Series 5 and 6 Speed, FWD / AWD. Works With PPG and OEM Gears.