Hawks Motorsports offers our clients this BPP12110344 GM Small Block Compatible Bare Block 9.025 Deck x 4.000 Bore, 2-Piece Seal, 350 Main, SIAM, Ductile Cast Main Caps, BluePrint Engines for custom small block Chevrolet engine builds requiring a durable and versatile engine foundation. This bare block is designed around traditional GM Small Block architecture and provides engine builders with a strong platform for restoration, street performance, and racing applications.

The BPP12110344 block features a 9.025-inch deck height, 4.000-inch cylinder bore, 350 main bearing configuration, 2-piece rear main seal design, SIAM (Siamese) cylinder wall construction, and ductile cast main caps. This block is designed for builders creating custom small block combinations where strength, machining flexibility, and component selection are important.

This GM Small Block compatible bare block provides a foundation for custom rotating assemblies, cylinder heads, camshaft combinations, and performance upgrades. The SIAM cylinder wall design helps provide additional cylinder wall support for larger bore applications and high-performance engine configurations when properly machined and assembled.

The BPP12110344 is supplied as a bare engine block and requires professional inspection, machining, cleaning, measuring, and final assembly preparation before use. Always verify crankshaft, pistons, rods, bearings, oiling system, accessory mounting, and vehicle application compatibility before beginning engine assembly.

Key Features:

• Part number BPP12110344
• BluePrint Engines GM Small Block compatible bare block
• 9.025-inch deck height
• 4.000-inch cylinder bore
• 350 main bearing configuration
• 2-piece rear main seal design
• SIAM (Siamese) cylinder wall construction
• Ductile cast main caps
• Cast iron engine block construction
• Designed for custom small block Chevrolet engine builds
• Suitable foundation for street performance, restoration, and racing applications
• Bare block configuration for custom engine assembly
• Requires machining and final preparation before use

Fitment Applications:

GM Small Block Chevrolet Compatible Applications

• Chevrolet Small Block V8 engine builds
• Custom street performance applications
• Restoration engine builds requiring aftermarket small block architecture
• High-performance and racing engine applications

Common Engine Configurations:

• Small Block Chevrolet 350-based combinations
• Small Block Chevrolet stroker combinations
• Small Block Chevrolet combinations up to 454 cubic inches when properly machined and assembled

Fitment Note:
Verify engine component compatibility before ordering, including crankshaft stroke, piston compression height, connecting rod length, cylinder head compatibility, intake manifold compatibility, oil pan configuration, accessory mounting requirements, and vehicle-specific installation details.

Installation Notes:

• This listing is for a bare engine block only.
• No rotating assembly, pistons, crankshaft, rods, camshaft, cylinder heads, bearings, timing components, or accessories are included unless specifically stated.
• Block requires professional inspection, machining, cleaning, and final preparation before assembly.
• Verify all clearances and measurements with qualified engine-building equipment before final assembly.
• Confirm compatibility of all internal and external engine components before ordering.
• Professional machining procedures are required for bore sizing, honing, deck preparation, bearing clearances, and final engine assembly.
• Verify oiling system, timing components, accessory brackets, and vehicle application requirements before installation.
• Professional engine-building experience or machine shop assistance is recommended.