INDUSTRIAL INJECTION PDM-59CRSTH CUMMINS 5.9 PORTED & POLISHED CYLINDER HEAD W/ FIRE RING GROOVES 2003-2007 CUMMINS 5.9L 24V

The Industrial Injection PDM-59CRSTH Cummins 5.9 Ported & Polished Cylinder Head with Fire Ring Grooves is the ultimate performance enhancement for your 2003-2007 Cummins 5.9L 24V engine. Designed with the daily driver and weekend warrior in mind, these fully CNC ported heads are meticulously crafted and ready to bolt on.

Featuring a CNC ported cylinder head, this product undergoes a cutting-edge porting process using a state-of-the-art 5 Axis CNC machine with CAD/CAM software, ensuring unparalleled accuracy and consistent airflow in each port. Hand blending after the CNC process further refines each port to perfection for balanced power output and easier tuning.

Equipped with high-quality stainless-steel valves boasting a nitrate coating for superior durability, this cylinder head also includes high-strength alloy valve guides heat treated for maximum wear resistance. The incorporation of spiral grooves in the guides aids in valve lubrication during engine operation, enhancing longevity and performance.

Premium valve seat inserts made from a nickel-based non-magnetic material ensure extreme operating conditions are met with resilience, significantly reducing the risk of valve seat failure. Additionally, drilled and tapped coolant freeze plugs in the head prevent leaks and eliminate potential failures commonly associated with traditional press-in plugs.

With a fire ringed head designed specifically for use with a custom fire ring head gasket, this product virtually eliminates head gasket failures while providing confidence in the engine's durability for daily driving. The inclusion of high-performance valve springs custom-made in the USA ensures optimal lift and reliability, promising consistent performance.

Each head undergoes a meticulous build process, from jet washing to port development using a SuperFlow 600 flow bench and a Serdi 100 guide and seat machine for a perfect valve to seat match. With precision honing, multi-angle valve jobs, and new surface treatments, the Industrial Injection Cylinder Head guarantees top-tier performance and longevity for your Cummins engine. Elevate your driving experience with this premium upgrade tailored for enthusiasts seeking unparalleled power and reliability.