By installing our adjustable shifter and matching leather boot, you will be able to mount any MOMO knob with professional looking results. All MOMO knobs are designed to be installed on to the round type shift rod. Our custom shifter will fit in to all 944na/944 Turbo and 968 type cars. Each leather boot comes with MOMO knob base. It means when you buy any MOMO knob you will remove the original knob base and install ours instead with is permanently attached leather boot. You have 3 choices for the knob base. Chrome, Black and Silver. Please note; this leather boot and the shifter is not sold by MOMO. It is our custom product exclusively offered for 944 type cars. The original 944 shifter is shown by comparison only and is not included in this offer.