Vehicle Info Needed

FORD PERFORMANCEPART NUMBER: 397-M-6010BOSS50

Engine Block Modular 5.0L

Name: Engine Block Modular 5.0L
Brand: FORD PERFORMANCE
SKU: 397-M-6010BOSS50
Price: 2262.85 USD
Availability: InStock

^$2,262⁸⁵

Truck Freight

Ships on Sep 07, 2026

Lowest Price Guarantee

Modular

Modular 5.0L
Cast Iron
94mm Siamese Bore
4-Bolt Main

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

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. NOTE:The Boss 5.0L modular block does not have a finish milled head deck or cylinder bores. The engine builder will have to mill the deck and finish bore then hone each bore specifically for their combination.

Features

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
Head Gaskets For 3V Applications Use M-6067-3V50
2005-2010 Mustangs require the engine mounting bracket M-6031-BOSS50
Credentials:
2008 NMRA EFI Renegade champion used a Boss 5.0L block
2009 NMRA EFI Renegade champion used a Boss 5.0L block
NMRA Drag Radial competitor runs a Boss 5.0 block en route to a best ET of 8.06 making over 1500hp!
Justin Burcham, of Glen Burnie Maryland, has been running a Boss 5.0l block for 2 seasons in True Street with his street legal and street driven 2006 Mustang. Et's in the mid 8's with horsepower over 1300 hp!
Land Speed Racing - Steve Benyo and and Team Saline have driven their Mustang with Boss 5.0 power to numerous records at Maxton in 2008 and hold the current World Land Speed Record in the Production Supercharged Class with a speed of 232.27mph!

Part TypeEngine Block

Product LineFord Performance 5.0L Cast Iron Modular Boss Cylinder Block

BrandFORD PERFORMANCE

Package Height16.0

Package Width18.5

Package Length21.5

Weight170.0 PG

Part CategoryPerformance Parts

Main Journal Type4.6 modular mains

Engine Block StyleAftermarket

Engine Block MaterialCast iron

Cylinder Bore As Shipped3.7 in (93.98 mm)

Engine Block Weight (Lbs.)165

QuantitySold individually

Raised Cam LocationNo

Freeze Plugs IncludedYes

Main Bolt Style4-bolt

Deck Height8.937 in (227 mm)

Main Bearings IncludedNo

Main Cap MaterialNodular iron

Rear Main Seal Style1-piece

Main Caps IncludedYes

Finished Cylinder BoresYes

Cam Bearings IncludedNo

Part FitmentSemi Universal

Main Cap Fasteners IncludedYes

Vendor Part NumberM-6010-BOSS50

Package Qty1

Package TypeEA

No Questions

No Reviews

Items You Need

JEGS

Engine Stand [1250 lb. Capacity]

Part Number : 555-80041

^$124⁹⁹$134.99

You Save$10.00

JEGS

Rotating Engine Stand [1000 lb. Capacity]

Part Number : 555-80059

^$324⁹⁹$350.99

You Save$26.00

JEGS

Engine Stand 2000 lbs.

Part Number : 555-80042

^$197⁹⁹$229.99

You Save$32.00

JEGS