- Application: Specifically designed for the 5.9 Cummins 1989-1998 12-valve engine.
- Comprehensive Integration: It houses the valve train (intake and exhaust valves), integrates the intake and exhaust ports for gas flow, and provides mounting surfaces for components like rocker arm supports and fuel injectors.
- Thermal and Lubrication Management: Features internal passages for coolant circulation to regulate temperature and for engine oil to lubricate the valve train.
The DK Engines DK-CU5.9-12VCHLO 12V Loaded O-Ring Cylinder Head is an absolutely essential upgrade for maintaining or restoring the peak performance of your classic 5.9-liter Cummins engine from the 1989-1998 model years. As the manufacturer, DK Engine Parts delivers this critical component designed to sit precisely at the top of your engine block, serving as the capstone for your engine's power-generating process. More than just a simple cover, this cylinder head is the strategic component responsible for sealing the combustion chamber, ensuring optimal compression, and orchestrating the entire air and fuel management system that defines the robustness of the legendary 12-valve Cummins. Investing in this high-quality, fully loaded, and O-ringed head is investing in the long-term efficiency, reliability, and power of your truck.
Application: Specifically designed for the 5.9 Cummins 1989-1998 12-valve engine.
Comprehensive Integration: It houses the valve train (intake and exhaust valves), integrates the intake and exhaust ports for gas flow, and provides mounting surfaces for components like rocker arm supports and fuel injectors.
Thermal and Lubrication M[...]
- Application: Specifically designed for the 5.9 Cummins 1989-1998 12-valve engine.
- Comprehensive Integration: It houses the valve train (intake and exhaust valves), integrates the intake and exhaust ports for gas flow, and provides mounting surfaces for components like rocker arm supports and fuel injectors.
- Thermal and Lubrication Management: Features internal passages for coolant circulation to regulate temperature and for engine oil to lubricate the valve train.