Product Description:
Hawks Motorsports offers the BluePrint Engines PS6320CTC GM Big Block Compatible 632 C.I. Pro Series Base Dressed Carbureted Engine, delivering an incredible 815 horsepower and 775 lb-ft of torque in a traditional high-performance big block package. Designed for serious street performance, Pro Touring builds, drag racing, and custom muscle car applications, this massive 632 cubic inch crate engine combines old-school carbureted power with modern machining, forged internals, and Pro Series durability.
Built around a BluePrint high-strength cast iron tall-deck 4-bolt main block, the PS6320CTC features a 4.600-inch bore, 4.750-inch forged steel crankshaft, forged 6.635-inch H-beam connecting rods, and forged dome pistons with an 11.0:1 compression ratio. The combination of massive cubic inches, hydraulic roller technology, and aluminum cylinder heads provides exceptional torque and horsepower throughout the RPM range.
The base dressed package includes a Holley Gen III Ultra Dominator carburetor, single-plane aluminum intake manifold, Ready-to-Run distributor, spark plugs, spark plug wires, harmonic balancer, timing cover, valve covers, oil pan, oil pump, and dipstick. The PS6320CTC arrives dyno tested and ready for installation into a custom high-performance build.
Key Features:
- SKU: PS6320CTC
- GM Big Block Compatible 632 C.I. Pro Series Base Dressed Engine
- 815 Horsepower
- 775 lb-ft Torque
- Carbureted performance package
- BluePrint high-strength cast iron block
- Manufactured and machined in the USA
- Tall deck block design
- 4-bolt main block
- 4.600" bore
- 4.750" stroke
- Forged steel crankshaft
- Forged 6.635" H-beam connecting rods
- Forged dome pistons
- 11.0:1 compression ratio
- BluePrint aluminum cylinder heads
- Hydraulic roller camshaft
- Camshaft Specifications:
- .698" Intake Lift
- .698" Exhaust Lift
- 272° Intake Duration @ .050"
- 282° Exhaust Duration @ .050"
- 110° Lobe Separation Angle
- Holley Gen III Ultra Dominator carburetor
- Single-plane satin aluminum intake manifold
- Pro Series Ready-to-Run distributor
- Harmonic balancer included
- Timing cover installed
- Fabricated valve covers installed
- Oil pan installed
- Oil pump installed
- Spark plugs included
- Spark plug wires included
- BluePrint dipstick included
- Internal balance
- 1-piece rear main seal
- Mechanical fuel pump provision
- Dyno tested before shipment
- BluePrint Engines warranty coverage
Fitment Applications:
Designed for custom GM Big Block Chevrolet compatible applications, including:
- Chevrolet Camaro
- Chevrolet Chevelle
- Chevrolet Nova
- Chevrolet Corvette
- Chevrolet El Camino
- Chevrolet Impala
- Chevrolet C10 / C20 / C30 Trucks
- Street rods
- Pro Touring builds
- Restomod vehicles
- Drag racing applications
- Street/strip performance builds
- Custom muscle cars
Verify tall-deck clearance, header fitment, intake compatibility, accessory clearance, and drivetrain strength before ordering.
Installation Notes:
- Base dressed engine assembly.
- Carburetor configuration.
- Includes intake manifold and distributor.
- Front accessory drive not included.
- Alternator not included.
- Power steering pump not included.
- Air conditioning compressor not included.
- Water pump not included.
- Flywheel/Flexplate sold separately.
- Features approximately .400" taller deck height and .300" raised exhaust ports compared to OEM-style big block dimensions.
- Requires compatible headers and engine bay clearance.
- Not intended for pollution-controlled vehicles.
- Premium 91+ octane fuel recommended.
- Professional installation and tuning recommended.