BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC

Description

Overview:

The BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC is designed for high-performance engine builders looking to create a 460 cubic inch small block Ford engine. It is based on the SBF 351 Cleveland architecture, known for its airflow capabilities and performance potential.

This bare block provides a solid and versatile platform for building high-horsepower engines. Its design supports increased displacement and performance tuning, making it suitable for racing, street performance, and custom engine projects.

If you’re ready to take your Ford small block to the next level, this block is the rock-solid foundation your build deserves. Engineered to support stroker combinations up to 460 cubic inches, it delivers the strength, stability, and precision machining today’s high-output Ford builds demand. Thick cylinder walls, reinforced casting, and smartly designed oiling pathways make it the ideal starting point for everything from a crisp street performer to a full-tilt track or autocross machine. Whether your vision is naturally aspirated punch or boosted aggression, this block gives your Ford project the durability and confidence to handle big power with classic Ford attitude.
*Block is a 351 Windsor Based Block with Cleveland Main Bearing Bore

Where This Engine Block Fits and How It Is Used

The BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC is designed for:

• Small Block Ford (SBF) 351 Cleveland-based builds
• Custom high-performance engines
• Racing and drag applications
• Performance street builds

This block allows builders to create engines with increased displacement (460 c.i.), making it suitable for applications requiring high power output and performance reliability.

Build Quality and Long-Term Performance

The BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC is engineered with durability and precision in mind, ensuring it can handle high-performance demands.

Key features include:

• Cast iron construction for strength and durability
• Siamesed cylinder design for increased rigidity
• Precision machining for accurate assembly
• Reinforced structure for high horsepower builds

These features ensure a robust engine block platform capable of supporting demanding performance applications.

What Makes This Engine Block a Reliable Choice

The BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC stands out due to its high-performance design and compatibility with popular Ford engine platforms.

Its ability to support large displacement builds and high horsepower makes it ideal for serious performance enthusiasts. The siamesed cylinder design enhances structural integrity, while the cast construction ensures long-term durability.

This block offers a solid foundation for custom engine builds, giving builders flexibility and reliability.

Who This Product Is Designed For

The BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC is ideal for:

• Professional engine builders
• Performance enthusiasts and racers
• Automotive workshops specializing in custom builds
• Users building high-horsepower Ford engines

It is particularly suited for those seeking a strong and reliable engine block for demanding applications.

Key Specifications and Technical Details

The BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC is a cast iron engine block designed for high-performance builds.

It includes:

• 460 cubic inch capability
• Small Block Ford 351 Cleveland compatibility
• Siamesed cylinder configuration
• 9.500″ deck height
• 4.000″ bore spacing
• Cast iron construction

This block is engineered to support high horsepower output, structural strength, and precise assembly.

Purchase Confidence and Support

Choosing the BluePrint Engines Bare Block – 460 c.i. – SBF 351, SIAM, CLEV, 9.500 x 4.000, CAST MC provides access to a premium engine block solution designed for performance and durability.

Buyers benefit from:

• High-strength construction for performance builds
• Compatibility with SBF 351 Cleveland components
• Precision machining for accurate assembly
• Reliable foundation for custom engines

This product also fits within a broader category of performance engine blocks, allowing builders to explore related components and upgrades.

Common Questions About This Engine Block

What does siamesed cylinder mean?

Siamesed cylinders share walls between cylinders, increasing block strength and allowing for larger bore sizes.

Is this block suitable for racing applications?

Yes, it is designed for high-performance and racing applications, including drag racing and custom builds.

What engines can be built with this block?

It supports 460 cubic inch small block Ford builds, based on the 351 Cleveland architecture.

Is this a complete engine?

No, this is a bare block, meaning additional components are required to complete the engine.

Is it durable for high horsepower?

Yes, its cast iron construction and reinforced design make it suitable for high-horsepower applications.

Who should use this block?

It is best suited for experienced builders and professionals working on custom performance engines.

Configuration:

351

Cylinder Bore (Rough):

4.114″ to 4.116″

Cylinder Bore (Max):
4.165″

Cam Bearings:

Durabond 351HP

Cam Bearing Bore ID:

2.2046″+/- .0005″

Camshaft Position:

OEM
Cam Drive / Timing Set:
OEM equivalent

Cam Retaining Plate:

OEM

Cubic Inch (Max):

460

Cylinder Wall Thickness:

.160″ Nominal @ 4.165″ Bore

Water Jacket Style:

Siamese

Cylinder Skirt Length:

5.800″ Nominal

Deck Height:

9.500″ +.005″ / -.000″

Deck Thickness:

.600″ Nominal

Freeze / Core Plugs:

1-5/8″ x 10 BPE # 10110016

Head Bolt / Stud Threads:

7/16-14 x 1.35 Deep

Lifter Bores:

.8757″ +/- .0005″

Lifter Retainer (If not using tie car lifters):

OEM W/Roller Provisions

Main Bearing Bore (Line Honed):

2.9417″-2.9425″ (Cleveland)

Main Bearing Caps:

Cast Iron 4-Bolt Splayed

Main Cap Bolts:

1/2-13 Inner / 3/8-16 splayed

Main Fastener Tensile Strength:

180,000 to 210,000 PSI

P1 Main Stud Kit P/N:

TBD

ARP Main Stud Kit P/N:

TBD

Material (Block):

EN-GJL-250 Iron

Oil System:

Priority Main

Oil Pump:

OEM

Oil Filter:

OEM

Oil Pan:

OEM

Fuel Pump:

OEM

Starter:

OEM

Stroke (Max):

4.250″

Timing Cover:

OEM

Approx. Weight with Main Caps:

200-220lbs

WARNING: Cancer and Reproductive Harm