Keep eyes on your car with new Focus 4DR. Reduce the throw of your stock gearbox with a Short Shifter. Check out our Focus 4DR. Short Shifters make changing gears more efficient and reduce 0-60, quarter-mile and overall lap times. Examine the possibilities of our Focus 4DR. A great first modification to your vehicle is a Short Shifter. Reduce the throw and have more go by switching to a Short Shifter.