BluePrint BP38318CTCV 383 Stroker Crate Engine – 436 HP Dressed Small Block Chevy

The Ultimate 383 Stroker Crate Engine for Low-Profile Builds

The BluePrint BP38318CTCV 383 stroker crate engine delivers dyno-proven performance in a fully dressed low-profile package that’s engineered to fit tight engine bays without sacrificing power. As part of our extensive Small Block Chevy collection, this 6.3L/383 cubic inch V8 produces an impressive 436 horsepower and 443 lb-ft of torque—making it the ideal choice for enthusiasts building street rods, muscle cars, or any project requiring serious power with clearance constraints.

Built on a NEW BluePrint cast iron 4-bolt main block with aluminum cylinder heads and a hydraulic roller cam, this 383 Pro Series engine is hand-assembled, precision-balanced, and backed by an industry-leading 30-month/50,000-mile warranty. Whether you’re building a classic Chevelle, a tight-engine-bay street rod, or a show-stopping muscle car, this BluePrint 383 stroker crate engine provides the foundation for an unforgettable driving experience.

What Makes the BP38318CTCV the Ultimate 383 Crate Engine?

The BP38318CTCV is engineered specifically for builders who face clearance constraints. This “Low Profile” variant features a small diameter harmonic balancer (6.75″), a small cap distributor, and a drop base air cleaner—all designed to clear tight firewalls and hoods . Despite its compact dimensions, it delivers serious power: 436 HP and 443 lb-ft of torque.

Every BluePrint engine is hand-assembled and precision-balanced to ensure smooth operation for years to come . Each engine is dyno-tested before shipment and ships with its own dyno sheet, guaranteeing the power you paid for.

383 Stroker Horsepower and Torque Figures

This 383 stroker crate engine produces impressive output:

• 436 horsepower – dyno tested and verified 

• 443 lb-ft torque – massive low-end and mid-range grunt 

• 10.0:1 compression ratio – pump gas friendly 

• Hydraulic roller cam – low maintenance, excellent durability

Complete 383 Stroker Engine Specifications

New BluePrint Cast Iron Block

The foundation of this BluePrint 383 stroker is a NEW BluePrint cast iron block, manufactured and machined in the USA . Key block features include:

• 4-bolt main caps for exceptional bottom-end strength 

• 1-piece rear main seal for leak-free operation 

• 4.000-inch bore x 3.750-inch stroke (383 CID / 6.3L) 

• External front/external rear engine balance 

• Mechanical fuel pump provision – yes 

• Passenger side dipstick 

• Drilled and tapped for clutch linkage 

Note: This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke, but is classified as a 383 stroker based on the rotating assembly configuration .

Rotating Assembly

The rotating assembly in the BP38318CTCV is built for durability and high horsepower :

• New BluePrint cast steel crankshaft – 3.750-inch stroke

• Chevy heavy beam 5.700-inch connecting rods with 150,000 psi bolts

• Hypereutectic pistons – 10.0:1 compression

• Moly piston rings for superior sealing

• Melling high-volume oil pump 

BluePrint Aluminum Cylinder Heads

The BluePrint H8002K aluminum cylinder heads provide exceptional flow :

Hydraulic Roller Camshaft Specifications

What’s Included with Your BP38318CTCV Dressed Crate Engine

The BP38318CTCV is a fully dressed low-profile long block with the following components included :

Important Note: Flexplate/flywheel is NOT included and must be sourced separately . This engine requires a late 350 weighted flexplate/flywheel.

BP38318CTCV vs Other BluePrint 383 Variants

BluePrint offers this 383 engine in multiple configurations. The BP38318CTCV is the “Deluxe Dressed Low Profile” variant , featuring:

Installation Notes and Critical Considerations

Important Low-Profile Fitment Notes

Before installing your BluePrint BP38318CTCV, review these critical notes:

• Low-profile design: Engine is designed with a small diameter harmonic balancer, small cap distributor, and drop base air cleaner. Fits vehicles with low firewall or hood clearance .

• For C2 Corvette: Modification or replacement of factory hood and/or motor mounts will be required .

• Air cleaner clearance: Air cleaner has a maximum height of 11.5 inches when measured from block end rail .

• OEM bracket compatibility: The aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake-mounted bosses .

• Carburetor: 750 cfm, manual choke .

• Spark plug gap: .035″ .

• Recommended stall converter: 2,000-2,400 RPM .

Emissions and Warranty Information

Emissions Compliance: This engine is not for use in pollution-controlled vehicles .

Warranty: BluePrint Engines backs the BP38318CTCV with a comprehensive 30-month / 50,000-mile warranty .

Break-In Recommendations

BluePrint Engines recommends :

• Use break-in oil for the first 500 miles

• Avoid hard acceleration for sustained periods

• Periodically change engine speed while driving to help seat rings

• Monitor oil pressure and coolant temperature closely

• Change oil and filter after break-in period

383 Stroker Engine Swap – Compatibility and Considerations

The BP38318CTCV is a drop-in replacement for any vehicle originally equipped with a small-block Chevy. The low-profile design makes it ideal for:

• C2 Corvettes (with hood modifications)

• Street rods with tight hood clearance

• Classic Camaros, Chevelles, Novas

• Custom builds with firewall constraints

Recommended Components

For a complete build, BluePrint recommends :

• Flexplate/Flywheel: Late 350 Weighted

• Stall Converter: 2,000-2,400 RPM

• Fuel Recommendation: 91 Octane

• Initial Timing: 10-16°

• Total Timing: 32-34° at 3,500 RPM

• Firing Order: 1,8,4,3,6,5,7,2

• Oil Capacity: 5 quarts with BPP51061 filter

BluePrint BP38318CTCV FAQs

What is the horsepower and torque of the BP38318CTCV?

The BluePrint BP38318CTCV produces 436 horsepower and 443 lb-ft of torque .

What makes this a “low profile” engine?

This engine features a small diameter harmonic balancer (6.75″), a small cap distributor, and a drop base air cleaner—all designed to clear tight firewalls and hoods .

What’s included with the BP38318CTCV?

The BP38318CTCV is a fully dressed low-profile long block including the block, aluminum heads, 750 cfm carburetor, intake manifold, small cap distributor, small diameter harmonic balancer, drop base air cleaner, valve covers, oil pan, timing cover, fuel pump, spark plugs, and wires. Flexplate/flywheel is not included .

What is the displacement and configuration of this engine?

The BP38318CTCV is a 383 cubic inch (6.3L) Small Block Chevy V8 with a 4.000-inch bore and 3.750-inch stroke. It features a cast iron block with aluminum heads and a 10.0:1 compression ratio .

What warranty comes with this engine?

BluePrint Engines backs the BP38318CTCV with a 30-month / 50,000-mile warranty .

What fuel does the BP38318CTCV require?

91 octane pump gas is recommended for optimal performance .

Is the BP38318CTCV emissions legal?

No. This engine is not for use in pollution-controlled vehicles .