Industrial Injection Stage 1 Ported and Polished Cylinder Head With Fire Rings 03-07 Ram 5.9L Cummins XDP-XD251 but also gives it a

but also gives it a sophisticated look

and E-coated to resist corrosion through years of demanding use

Live in cold climates

The race-developed high-flow damping piston matched with application-specific valving provides the Performance Series 2

250" wall DOM tubing

Industrial Injection Stage 1 Ported and Polished Cylinder Head With Fire Rings 03-07 Ram 5.9L Cummins XDP-XD251 but also gives it aWhether you are going for a peak build or just wanting some extra strength and reliability in your truck, you cannot miss with Industrial Injection's Stage 1 Ported and Polished Cylinder Head with Fire Rings. These are designed to help your Cummins engine handle the increased cylinder pressures that come with upgraded injectors, larger turbos, and higher performance fuel systems. The integrated fire ring design provides a stronger combustion seal than