*NEW* Promaxx 18mm Cylinder Heads & ARP Studs For 03-06 Ford 6.0L Powerstroke exterior accessories streamlined end tanks optimize airflow

streamlined end tanks optimize airflow and air density

Dual rate lift coils offer a nice improvement over the stock ride

System will also work on RWD PreRunner models

fade-free performance

*NEW* Promaxx 18mm Cylinder Heads & ARP Studs For 03-06 Ford 6.0L Powerstroke exterior accessories streamlined end tanks optimize airflowThe ProMaxx Performance Cylinder Heads are high quality replacements for your 2003 2007 Ford 6. 0L Powerstroke. Built with thicker castings in crack prone areas, these heads undergo extensive testing and quality control to ensure that you receive the best product possible. ProMaxx performs the following tests and procedures: All fuel rails are drilled and checked, All heads are push rod clearanced, glow plugs and injectors are test fit, all recession