Find the Shift Enhancements products you need to improve the shifting of the transmission in your 2004.5-2007 Dodge 5.9L Diesel. These Shift Enhancements add greater line pressure to your vehicle's valve body, making shifts firmer and faster. Shop today and find top brands like TransGo, XDP, and BD-Power. By reducing the duration of slip from one gear to the next, a faster shift can help to extend transmission life and enhance torque converter clutch life. With XDP's Shift Enhancements products, you can improve the shifting of your vehicle's transmission!