Ford Racing BOSS 5.0 Cast Iron Big Bore 3.700" Block

The Boss 5.0 block is a 4.6L deck height, 94mm cylinder bore cast iron block. Cast in Ford's Cleveland plant, it uses a proprietary iron mix to yield the strongest possible casting strength with least porosity and greatest consistency.

• Siamese 94mm Bore
• 17mm main web minimal thickness
• 4 Bolt Main with interference fit nodular iron machined caps
• Increased main web window size for less oil movement and greater power

** Ships via Truck Freight - $125.00 Flat Rate anywhere in the Lower 48 States