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BluePrint Engines BP38318CTF1 GM 383 Stroker 436HP EFI Engine
Classic restorers select this bare BluePrint GM 383 436HP base stroker block to replace tired factory power. We combine a seasoned iron block with premium aluminum heads and 10.0:1 compression. Source your intake. Throttle up.
- Ten to one squeeze ratio yields maximum power
- Aluminum cylinder head castings dissipate thermal engine loads
- Seasoned cast iron block prevents structural heat warping
Description
The BluePrint Engines BP38318CTF1 GM 383 Stroker 436 HP EFI Engine is the ultimate turn-key solution for classic muscle cars, aggressive street rods, and high-performance custom trucks. By expertly stroking a legendary cast-iron block to 383 cubic inches, this powerhouse generates an explosive dyno-proven 436 horsepower and a massive 443 lb-ft of torque. It perfectly marries the menacing rumble of an aggressive hydraulic roller cam with the pinpoint reliability of a modern electronic fuel injection system.
This fully dressed, base-level Crate Engine is engineered to drop right in and dominate. It comes meticulously assembled with high-flow aluminum cylinder heads, a dual-plane satin aluminum intake manifold, and a top-tier Holley Sniper II EFI system. With the distributor, valve covers, oil pan, and timing cover already installed, this engine takes all the guesswork out of engine building, letting you hit the asphalt faster.
Key Features & Performance Benefits
- Dyno-Proven 436 HP / 443 Torque: Delivers aggressive, tire-shredding power thanks to a stroked 3.75-inch cast steel crank, 4-inch bore, and a 10.0:1 compression ratio.
- High-Flow Aluminum Heads: Features large 64cc combustion chambers and massive 195cc intake runners to ensure explosive top-end breathing and crisp throttle response.
- Holley Sniper II EFI Integration: Provides modern turn-key reliability, excellent cold starts, and self-tuning air/fuel management without sacrificing the classic V8 aesthetic.
- Aggressive Roller Camshaft: Features a high-lift hydraulic roller cam (.544 Intake / .555 Exhaust) on a 110-degree LSA, delivering a menacing idle and an incredibly wide powerband.
- Industry-Leading Warranty: Backed by BluePrint’s legendary 30-Month/50,000-Mile warranty, guaranteeing world-class durability and absolute peace of mind for your custom build.
Why this Crate Engine is the Ultimate Upgrade
Dropping the BluePrint BP38318CTF1 383 Stroker into your engine bay is the smartest way to achieve immediate, reliable horsepower. You are bypassing the headaches of machining old blocks and tuning temperamental carburetors, stepping straight into 436 dyno-tested horsepower that fires up perfectly every single time. It is the definitive crate engine for builders who refuse to compromise on aggressive street performance or modern drivability.
BluePrint BP38318CT1 GM 383 Stroker 436 HP Base LB Specs
| Brand | BluePrint Engines |
| Engine Model | BP38318CT1 |
| Part Type | Crate Engines |
| Product Line | BluePrint Engines GM 383 C.I.D. 436 HP Base Stroker Long Block Crate Engines |
| UPC | 816671020502 |
| Crate Engine Family | Chevy Small Block |
| Actual Engine Displacement | 6.3L / 383 C.I.D. |
| Cylinder Head Material | Aluminum |
| Engine Block Material | Cast iron |
| Advertised Compression Ratio | 10.0:1 |
| Assembled | Yes |
| Engine Balance | External |
| Cam Style | Hydraulic roller, OE roller |
| Rear Main Seal Style | 1-piece |
| Intake Manifold Included | No |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | No |
| Distributor Included | No |
| Oil Pan Included | Yes |
| Valve Covers Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| Supercharger Included | No |
| Warranty Info | 30-Month / 50,000 Miles |
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