Logitech g27 H Pattern Shifter Mod by Lorenz_Eichelsdoerfer - Thingiverse
Logitech Driving Force Shifter Gear Knob Replacement MOD G25 - Etsy
Amazon.com: Minneer PRO Racing Wheel Stand Height Adjustable with Shifter Upgrade for Logitech G25,G27,G29,G920,G923,Thrustmaster TMX, T80, Gaming Steering Simulator Cockpit Wheel and Pedals Not Included : Home & Kitchen