Hawks Motorsports offers the BluePrint Engines PS5401CT GM Big Block Compatible 540 C.I. Pro Series Long Block, engineered for enthusiasts looking for maximum cubic-inch power, outstanding reliability, and serious performance capability. Producing 670 horsepower and 630 lb-ft of torque, this Pro Series crate engine is designed for high-performance street cars, drag racing, Pro Touring builds, and custom muscle car applications where big-block power is the priority.

Built around a BluePrint high-strength cast iron 4-bolt main block, the PS5401CT features a massive 4.500-inch bore, 4.250-inch forged steel crankshaft, 6.385-inch forged H-beam connecting rods, and forged pistons designed to handle demanding performance conditions. With high-flow BluePrint aluminum cylinder heads, a hydraulic roller camshaft, and premium internal components, this 540 C.I. big block delivers exceptional airflow, horsepower, and durability.

The long block arrives fully assembled with aluminum cylinder heads, hydraulic roller camshaft, timing cover, harmonic balancer, oil pan, valve covers, and dipstick installed. Complete your build with your preferred intake manifold, carburetor or EFI system, ignition, and accessory drive components. Every BluePrint Pro Series engine is professionally assembled, precision machined, and dyno tested before shipment, backed by BluePrint Engines' 30-Month / 50,000-Mile Warranty.

Key Features:

• SKU: PS5401CT
• GM Big Block Compatible 540 C.I. Pro Series Long Block
• 670 Horsepower
• 630 lb-ft Torque
• BluePrint high-strength cast iron block
• 4-bolt main block
• 4.500" bore
• 4.250" stroke
• Forged steel crankshaft
• Forged 6.385" H-beam connecting rods
• Forged pistons
• 11.0:1 compression ratio
• BluePrint high-flow aluminum cylinder heads
• Hydraulic roller camshaft
• Performance valvetrain components
• 2.300" intake / 1.880" exhaust valves
• Internal engine balance
• 1-piece rear main seal
• Mechanical fuel pump provision
• Harmonic balancer installed
• Timing cover installed
• Valve covers installed
• Oil pan installed
• Dipstick installed
• Dyno tested before shipment
• Manufactured and machined in the USA
• 30-Month / 50,000-Mile Warranty

Fitment Applications:

Designed for custom GM Big Block Chevrolet compatible applications, including:

• Chevrolet Camaro
• Chevrolet Chevelle
• Chevrolet Nova
• Chevrolet El Camino
• Chevrolet Corvette
• Chevrolet Impala
• Chevrolet C10, C20 & C30 Pickup
• Street rods
• Pro Touring builds
• Drag racing vehicles
• Competition builds
• Custom muscle cars
• High-performance truck builds

Verify engine mount, oil pan, exhaust, accessory drive, induction system, and drivetrain compatibility before ordering.

Installation Notes:

• Long block assembly only.
• Intake manifold not included.
• Carburetor or EFI system not included.
• Distributor not included.
• Water pump not included.
• Front accessory drive not included.
• Flywheel/Flexplate sold separately.
• Premium 93-octane or higher fuel is recommended.
• Professional tuning and proper engine break-in procedures are required for optimum performance.