Hawks Motorsports proudly offers the BluePrint Engines BPP12110350 GM LS Compatible Bare Block, a premium racing foundation engineered for builders demanding maximum strength from their LS engine combination. Featuring a 9.240-inch standard deck height, 4.125-inch semi-finished bore, SIAM (siamesed) cylinder bores, and OEM-style 6-bolt steel billet main caps, this heavy-duty block is designed to support extreme naturally aspirated, turbocharged, supercharged, and nitrous-powered applications.

Constructed from high-strength EN-GJL-250 cast iron, the BPP12110350 incorporates reinforced bulkheads, thick cylinder walls, priority main oiling, and precision CNC machining throughout. The billet steel six-bolt main cap design provides exceptional bottom-end rigidity and crankshaft stability, making this block an outstanding choice for high-RPM competition engines and boosted combinations producing well over four-digit horsepower.

Capable of supporting a 4.185-inch maximum bore, 4.250-inch maximum stroke, and engine combinations up to 468 cubic inches, this LS-compatible block accepts OEM-style timing covers, oil pumps, oil pans, rear covers, and valley covers while maintaining compatibility with a wide range of aftermarket performance components.

Whether you're building a 427, 454, or 468 cubic inch LS stroker for street performance, drag racing, road racing, or Pro Touring competition, the BPP12110350 provides the strength and machining precision professional engine builders demand.

Key Features:

• Part Number: BPP12110350
• GM LS Compatible Bare Engine Block
• High-Strength EN-GJL-250 Cast Iron Construction
• Standard 9.240" Deck Height
• 4.125" Semi-Finished Cylinder Bore
• SIAM (Siamesed) Cylinder Design
• OEM-Style Steel Billet 6-Bolt Main Caps
• Priority Main Oiling System with Center Crossover
• Reinforced Main Webbing
• Thick Deck Surface (.600")
• CNC Precision Machined
• Supports Up To 4.185" Finished Bore
• Supports Up To 4.250" Stroke
• Maximum Displacement: 468 Cubic Inches
• Standard LS Camshaft Location
• Accepts OEM LS Timing Cover
• Accepts OEM LS Oil Pump
• Accepts OEM LS Oil Pan
• Accepts OEM LS Rear Cover
• Accepts OEM LS Valley Cover
• Passenger Side Starter Configuration
• AFM/DOD Not Compatible
• Manufactured in the USA

Fitment Applications:

Compatible with custom GM LS-based engine builds, including:

• Chevrolet Camaro
• Chevrolet Corvette
• Chevrolet Chevelle
• Chevrolet Nova
• Chevrolet Silverado
• Chevrolet C10
• Chevrolet El Camino
• Chevrolet Caprice
• Pontiac GTO
• Pontiac Firebird
• Pontiac G8
• Chevrolet SS
• Street Rods
• Restomod Builds
• Pro Touring Vehicles
• Drag Racing Applications
• Road Racing Vehicles
• Marine Applications
• Custom LS Engine Swaps

Verify rotating assembly, cylinder head, oil pan, and accessory compatibility before final engine assembly.

Installation Notes:

• Semi-finished cylinders require final boring and honing before assembly.
• Designed for standard LS-compatible rotating assemblies.
• Accepts OEM-style timing covers, oil pumps, oil pans, rear covers, and valley covers.
• Billet steel 6-bolt main caps provide increased bottom-end strength for extreme horsepower applications.
• Compatible with up to a 4.250-inch stroke crankshaft.
• AFM/DOD lifter systems are not supported.
• Professional machining, blueprinting, and engine assembly are strongly recommended.