Cummins 9.0L Natural Gas ISL-G Cylinder Head, Brand New, Loaded, 5348546

Cummins 9.0L Natural Gas ISLG Cylinder Head - Brand New upgraded casting. 
No core deposit required!
We are aware of the abnormally large number of OE Cummins ISL-G Natural Gas cylinder head failures. Because of that, ou cylinder heads have been re-designed with larger cooling passages for better cooling capabilities, thicker decks, and a higher nickel content than original OE cylinder heads for additional strength and durability.
Loaded cylinder head. Assembled, tested and machined in the US! This item will arrive with a full valvetrain assembly and injector cups already installed. You will just need to swap your own injectors over.  
Cylinder head casting and all components are brand new. There is no core charge associated with this item. 
Cross Reference with:Casting Numbers: 3049338, 4933817
OE Part Numbers: 5348546, 4933820, 4933819, 4933820NX, 5348546RX