Product details:
Stainless steel CNC machined, centerlessly ground MADE IN USA Pre-modified for twin-stick shifters CNC machined in the USA, and centerless ground. 17-4 stainless steel. Modified for full use of twin-stick shifters without the possibility of 'cross-shifting'. This set replaces both shift-rails. Comes with replacement seals, plugs, spring roll pins, and installation instructions. These shift-rails will only work with twin-stick shifters, not for use with stock shifters.