Proper Shift Knob Adapter

Proper+ Shift Knob Adapter 

Tired of searching for the perfect shift-knob only to find out it doesn't fit your car. If you are running a 10 x 1.25 thread and want to sport shift knobs that are 12 x 1.25 this is your answer. The adapter has threads on both the outside and the inner portion allowing you to expand on your shift-knob options.