BluePrint Engines GM Big Block Compatible Bare Engine Blocks BPP12110324

Name: BluePrint Engines GM Big Block Compatible Bare Engine Blocks
Brand: BluePrint Engines
SKU: MLL-BPP12110324
Price: 3999.99 USD
Availability: OutOfStock
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Part Number: MLL-BPP12110324

$3,999.99

BluePrint Engines GM Big Block Compatible Bare Engine Blocks

Engine Block BBC, 2PC, SIAM, 9.800 x 4.500, CAST MC
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BluePrint Engines GM Big Block Compatible Bare Engine Blocks BPP12110324

MLL-BPP12110324

Not Yet Reviewed

Part Number: MLL-BPP12110324

Estimated Ship Date: Dec 15, 2026

$3,999.99

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Estimated Ship Date: Dec 15, 2026 Would you rather pick it up?

Overview

Brand:

BluePrint Engines

Manufacturer's Part Number:

BPP12110324

Part Type:

Engines, Bare Blocks

Product Line:

BluePrint Engines GM Big Block Compatible Bare Engine Blocks

Summit Racing Part Number:

MLL-BPP12110324

UPC:

00887753979575

Main Journal Type:

Chevy 454

Engine Block Material:

Cast iron

Engine Block Style:

Aftermarket

Engine Block Deck Height:

Standard deck

Deck Height (in.):

9.800 in.

Cylinder Bore as Shipped:

4.489 in.

Maximum Bore Diameter (in.):

4.630

Camshaft Location:

Standard

Engine Block Weight (lbs.):

260 lbs.

Main Caps Included:

Yes

Main Cap Material:

Cast iron

Main Cap Fasteners Included:

Yes

Main Bearings Included:

Rear Main Seal Style:

2-piece

Finished Cylinder Bores:

Raised Cam Location:

Cam Bearings Included:

Freeze Plugs Included:

Remanufactured:

Quantity:

Sold individually.

Special Attention:

Cylinder bore as shipped is within the range of 4.489 in. to 4.491 in. diameter.

BluePrint Engines GM Big Block Compatible Bare Engine Blocks

When you're building big power, you need a block that's ready to carry the load—and the BluePrint Engines GM Big Block Compatible Bare Engine Blocks are engineered to take you all the way to a massive 598 cubic inches. Designed for serious street, strip, and marine performance, they deliver the strength, rigidity, and machining precision needed for high-horsepower combinations. Thick cylinder walls, robust main webbing, and smartly engineered oiling and cooling pathways give builders the confidence to push displacement and power further without sacrificing reliability. Whether you're crafting a torque-heavy cruiser or a high-rpm bruiser, the BluePrint Engines GM Big Block Compatible Bare Engine Blocks are a rock-solid starting point your big-inch Chevy build.

Key technical specifications:

* High-strength cast iron (EN-GJL-250)
* Main caps: 4-bolt splayed (Ductile iron or Billet steel options)
* Deck Heights: 9.800-inch or 10.200-inch
* Bore Sizes: 4.500-inch or 4.600-inch (Siamese bores)
* Rear Main Seal: 2-piece
* Max Displacement: capable of up to 632+ cubic inches
* Max Stroke: 4.750-inches
* Weight: approximately 240-260 lbs. (with caps)
* Features: Priority main oiling, extended cylinder skirts for stroker clearance, and .310 inches nominal wall thickness at max bore