Description

Overview

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC is a performance-engineered engine block designed to serve as the foundation for high-performance small-block Ford builds.

Small-block Ford engines have long been a popular choice among performance builders because of their compact design, strong aftermarket support, and ability to produce significant horsepower when properly built. The 363 cubic inch configuration is one of the most widely used stroker combinations for performance Ford engines.

This BluePrint bare block provides the structural base needed to build a powerful stroker engine capable of delivering strong performance in street cars, muscle cars, racing vehicles, and custom automotive builds.

Engine builders often choose a performance bare block when constructing a custom engine because it allows full control over internal components such as the crankshaft, pistons, camshaft, and cylinder heads.

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC provides the durability and precision required for demanding engine builds.

What Makes the 363 Small Block Ford Popular

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC is designed to support one of the most popular small-block Ford stroker combinations.

The 363 cubic inch configuration increases engine displacement compared to the traditional 302 engine platform. This increase in displacement helps deliver improved torque output and stronger horsepower potential.

Performance builders often choose the 363 configuration because it provides:

• improved engine displacement
• strong torque output
• compatibility with many small-block Ford components
• excellent performance potential

These characteristics make the 363 stroker engine a popular choice for high-performance builds.

SIAM Cylinder Design

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC features a SIAM (siamesed cylinder) design, which improves structural strength in the cylinder walls.

In a SIAM cylinder configuration, the cylinder walls share material between adjacent cylinders. This design increases block strength and helps support higher horsepower levels by improving cylinder stability.

Because high-performance engines generate significant internal pressure and heat, stronger cylinder walls help maintain durability and reliable engine operation under demanding conditions.

Build Quality and Engineering

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC is built using precision machining and performance-grade materials designed for demanding engine applications.

Important features of this performance block include:

• durable cast iron block construction
• SIAM cylinder configuration for increased strength
• precision machined deck surfaces
• billet main caps for improved bottom-end durability
• compatibility with small-block Ford 302 components

These features help ensure proper alignment of internal engine components and support the high loads associated with performance engine builds.

Why Performance Builders Choose BluePrint Engine Blocks

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC is commonly selected by performance builders because BluePrint Engines is known for producing high-quality performance engine components.

Engine builders choose BluePrint blocks because they provide:

• precision machining and quality manufacturing
• compatibility with popular small-block Ford performance components
• strong block construction for performance engines
• a reliable foundation for custom engine builds

Using a high-quality performance block helps ensure long-term engine reliability and consistent performance.

Who This Engine Block Is Designed For

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC is designed for builders constructing high-performance Ford engines.

Typical buyers include:

• performance engine builders
• racing vehicle builders
• classic muscle car restoration specialists
• automotive performance shops
• custom hot rod builders

This engine block is particularly suitable for projects where a strong, high-performance engine foundation is required.

Engine Block Specifications

The BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC is designed for high-performance small-block Ford engine builds.

Key specifications include:

• Engine Type: Small Block Ford (SBF)
• Displacement Capability: 363 cubic inches
• Deck Height: 8.200 inches
• Bore Size: 4.000 inches
• Cylinder Design: SIAM cylinder configuration
• Main Caps: Billet main caps
• Application: High-performance Ford engine builds

This bare block provides the structural base for building a complete performance engine using compatible internal components.

Ordering and Support

Ordering the BluePrint Engines Bare Block 363 c.i. SBF 302 SIAM 8.200 x 4.000 Billet MC provides a strong foundation for custom engine builds.

Before purchasing an engine block, it is recommended to confirm:

• engine build configuration
• crankshaft compatibility
• cylinder head compatibility
• drivetrain and vehicle application

Professional engine builders often assist customers in selecting the correct engine components required for a complete performance engine build.

With proper assembly and quality components, a performance engine built on this block can deliver exceptional power and durability.

Frequently Asked Questions

What is a 363 small block Ford engine?

A 363 small block Ford engine is a stroker engine configuration based on the Ford 302 platform that increases displacement to 363 cubic inches for improved power and torque.

What does SIAM cylinder mean?

SIAM cylinders share material between adjacent cylinders, increasing block strength and supporting higher horsepower levels.

What is a bare engine block?

A bare engine block is the foundation of an engine without internal components such as pistons, crankshaft, or camshaft.

Is the 363 engine good for performance builds?

Yes. The 363 cubic inch stroker configuration is widely used in performance builds because it delivers strong torque and horsepower potential.

Who typically buys performance engine blocks?

Performance engine blocks are commonly purchased by engine builders, racing teams, performance shops, and automotive enthusiasts building custom engines.

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 363 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
Configuration:
302
Cylinder Bore (Rough):
3.889″ to 3.991″
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):
363
Cylinder Wall Thickness:
.160″ Nominal @ 4.165″ Bore
Water Jacket Style:
Siamese
Cylinder Skirt Length:
5.900″ Nominal
Deck Height:
8.200″ +.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):
2.4420″-2.4412″
Main Bearing Caps:
Billet Steel 4-Bolt Splayed
Main Cap Bolts:
7/16-14 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):
3.400″
Timing Cover:
OEM
Approx. Weight with Main Caps:
170-190lbs
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov