Freedom Series Duramax Cylinder Head for 17-23 L5P (Driver Side) Fleece Performance " BD DIESEL UPGRADE – Replaces Fixed Orifice

UPGRADE – Replaces Fixed Orifice Exhaust Brake

- 64/68 SX-E (up to 600hp) Mild Performance

BD's High RPM Mechanical Governor & Delivery Valve Kits can give you the power and torque you've been looking for

Part Number: 51-74102

Does Not Set Ecm Trouble Codes

Freedom Series Duramax Cylinder Head for 17-23 L5P (Driver Side) Fleece Performance " BD DIESEL UPGRADE – Replaces Fixed OrificeIntroducing our Freedom Series cylinder heads for the 2017 2023 L5P 6. 6L Duramax! Each cylinder head is manufactured in our state of the art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valves, valve guides, springs, and valve seals. Perfect for the daily driver or towing application. No core charge! Features: Re