The PNN4 (06+ Civic Si/K20Z3 engine) transmission is our prefered option for the Honda K-Series engine conversion in your Lotus because it has a factory LSD and the cables will connect directly to the linkages. This means there is no need for reverse motion linkages, which can introduce additional slop and complexity.

This adapter will allow you to use your original S2 Elise/Exige shift cables with the PNN4 transmission.