The available CNG/Propane Gaseous Engine Prep Package for power conversion to compressed natural gas (CNG) or propane autogas is available with all 2025 F-59 Stripped Chassis at time of order. Included are hardened engine intake valves, exhaust valves and valve seats. *
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								*Vehicle will be equipped with the standard factory gasoline fuel system. This package does not include compressed natural gas/propane fuel tanks, lines, etc. See your Commercial Vehicle Centre dealer for details.