Dr, Performance Street Cam Shaft Kit for 1998.5 - 2009 Cummins engines enhances power, spool-up times and overall performance. The Dr. Performance Cam Shaft Kit includes dual 4500 RPM valve springs with titanium retainers and a custom ground cam shaft. This cam shaft is no factory "regrind", this is purpose built race cam that gives you the performance and reliability you can depend on.

Optional suggested Parts:
Chrome Moly push rods
Rocker Arm Studs