5.9L Freedom Series Cummins Cylinder Head Performance Fleece Performance FORD/DODGE/CHEVY " decreasing strain on the injection

decreasing strain on the injection pump and supporting up to 800 hp

Smoother Engine Idle

500 lb-ft of torque

low profile installation

5.9L Freedom Series Cummins Cylinder Head Performance Fleece Performance FORD/DODGE/CHEVY " decreasing strain on the injectionFreedom Series Cummins Performance cylinder heads. Each head is manufactured in our state of the art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again. Whether you are sled pulling, drag racing, or just looking for extra