1999-2002 Cummins 6 Speed NV 5600 Short Shift Kit (1031050)The BD Diesel Short Shift kit is designed to put fun back into driving by significantly reducing shift lever travel by 20%. The internal components feature a new heat treating process that refines grain and increases fatigue life by eight times. This kit has been tested for more than 1. 5 million shift cycles to ensure long lasting durability. The kit includes everything needed for an easy, do it yourself installation, featuring a billet aluminum