Ford Performance Parts M-6010-BOSS50 - Modular Boss Engine Block; Boss 5.0L Block Is a 4.6L Deck Height; 94mm Cylinder Bore; Cast Iron; 4 Bolt Main;

The Boss 5.0 block is a 4.6L deck height, 94mm cylinder bore cast iron block. The block uses a proprietary iron mix to yield the strongest possible casting strength with the least porosity and greatest consistency. NOTE: The Boss 5.0L modular block does not have a finish milled head deck surface and the cylinder bores are rough honed. WARNING: This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.

Features

• Siamese 94mm Bore
• 17mm Main Web Minimal Thickness
• 4 Bolt Main w/Interference Fit Nodular Iron Machined Caps
• Increased Main Web Window Size For Improved Crankcase Breathing
• Head Gaskets for 3V Apps M-6067-3V50
• For Install In 05-10 Mustangs Use Mount Adapter M-6031-BOSS50