Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build
This upgraded Cummins diesel engine cylinder head is a great choice for an improvement over stock.
Once the Cummins Diesel Engine cylinder head passes our rigorous inspection for cracks and imperfections through MPI testing, it will go through a stress relieving process in a furnace to turn any grease and oil into ash.
Then it will be shot blasted in our cabinet to remove any rust and scaling. This will also relax the material before machining to our specifications.
After this it will be checked for any broken bolts or studs, and removed.
Once the cylinder head has met our stringent standards, it will then start through the machining process.
Our Cummins heads are blueprinted to proprietary valve train geometry, to alter valve height and valve recession for maximum reliability and longevity. Our Valve stem heights are altered to remove preload on the lifter and decrease the wear and help the lifter live a long life.
We pressure test the cylinder heads with 40 PSI pressure to make sure there are no leaks and then will again go through another extensive cleaning, quality control inspection and sign off sheet that will include all specs of the heads. We measure the following specs:
Building engines the way the OEM factory should have in the first place.
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