Universal 3 & 4-speed Compatible ShifterSometimes the best design is the simplest one, and the Z Gate shifter is a great example of just that. With the fewest moving parts of any automatic shifter in the B&M line, the Z Gate shifter and its patented internal "Z" shaped gate system eliminates the possibility of over shifting and missing gears. Fewer moving parts means less possibility of failure and with many of the same great features of the higher priced shifters, you just can't go wrong!