Hawks Motorsports offers the BluePrint Engines PS502CT GM Big Block Compatible 502 C.I. Pro-Series Long Block, engineered for serious street, drag racing, Pro Touring, and competition applications. Delivering an impressive 627 horsepower and 589 lb-ft of torque, this premium Pro-Series engine combines race-proven components with BluePrint's precision machining and dyno-tested performance. Featuring a fully forged rotating assembly, premium aluminum cylinder heads, and a hydraulic roller valvetrain, the PS502CT provides exceptional durability and power for demanding high-performance builds.

Built around a BluePrint high-strength cast iron 4-bolt main block, the PS502CT features a 4.470-inch bore, 4.000-inch forged steel crankshaft, 6.385-inch forged H-beam connecting rods, and forged flat-top pistons producing an 11.0:1 compression ratio. High-flow BluePrint aluminum cylinder heads, a performance hydraulic roller camshaft, and premium valvetrain components maximize airflow and horsepower while maintaining excellent reliability.

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

Key Features:

• SKU: PS502CT
• GM Big Block Compatible 502 C.I. Pro-Series Long Block
• 627 Horsepower
• 589 lb-ft Torque
• BluePrint high-strength cast iron block
• 4-bolt main block
• 4.470" bore
• 4.000" stroke
• Forged steel crankshaft
• Forged 6.385" H-beam connecting rods
• Forged flat-top pistons
• 11.0:1 compression ratio
• BluePrint high-flow aluminum cylinder heads
• Hydraulic roller camshaft
• Camshaft Specifications:
  • .660" Intake Lift
  • .670" Exhaust Lift
  • 254°/260° Duration @ .050"
  • 112° Lobe Separation Angle
• 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 vehicles
• Marine applications
• Custom high-performance BBC engine builds

Verify engine mount, oil pan, exhaust, accessory drive, 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 installation and proper engine tuning are recommended for optimum performance.