Ford Racing · New
Ford Racing 5.0L Cast Iron Modular BOSS Cylinder Block
MPN M-6010-BOSS50 · Store SKU frpM-6010-BOSS50
Supplier stock checked 11/8/2026, 5:19:40 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Oversized / freight item — shipping is quoted separately. Free shipping does not apply. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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. Modular Boss Engine Block; Boss 5.0L Block Is a 4.6L Deck Height; 94mm Cylinder Bore; Cast Iron; 4 Bolt Main; 5.0L Cast Iron Modular Boss Engine Block Modular Boss Engine Block
Manufacturer fitment & guides
Check M-6010-BOSS50 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- Freight shipping required.