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Blueprint Engines Gm 350 C.I.D. 390 Hp Long Block Crate Engines Bp3505Ct
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$2,400.00
The Blueprint Engines BP3505CT is a GM 350 cubic inch small block long block crate engine, producing approximately 390 horsepower and 400 lb-ft of torque.
This engine provides a reliable, performance-ready foundation for street rods, hot rods, classic GM restorations, and custom builds.
Condition: New
The Blueprint Engines GM 350 C.I.D. 390 HP Long Block (BP3505CT) offers a fully assembled long block built for durable, consistent performance.
It includes short block, cylinder heads, valve train, and rotating assembly, ready to accept your preferred intake, fuel system, and ignition components.
Each engine is blueprinted, balanced, and dyno-tested in the USA to ensure consistent output and reliability.
Performance Overview:
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Factory dyno-tested output: approximately 390 HP and 400 lb-ft torque
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350 cubic inch (5.7 L) Chevrolet small block platform
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Long block configuration provides flexibility for custom installations
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Hydraulic camshaft for smooth and broad torque delivery
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Ideal for street rods, hot rods, classic GM builds, and performance restorations
Key Features
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GM 350 C.I.D. small block V8 configuration
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Long block includes short block, cylinder heads, and valve train
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Hydraulic camshaft for smooth torque delivery
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Balanced and blueprinted rotating assembly for durability
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Dyno-tested for verified horsepower and torque
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Compatible with aftermarket intake, fuel, and ignition systems
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Perfect for street rods, hot rods, and classic GM restorations
Key Technical Specifications
| Specification | Details |
|---|---|
| Brand | Blueprint Engines |
| Part Number | BP3505CT |
| Series | GM 350 Long Block |
| Engine Type | Chevrolet Small Block V8 |
| Configuration | Long Block |
| Displacement | 350 Cubic Inches (5.7 Liters) |
| Horsepower (Factory Tested) | Approx. 390 HP |
| Torque (Factory Tested) | Approx. 400 lb-ft |
| Block Material | Cast Iron |
| Cylinder Heads | Aluminum |
| Crankshaft | Forged Steel |
| Connecting Rods | Forged Steel |
| Pistons | Forged Aluminum |
| Camshaft Type | Hydraulic Roller |
| Compression Ratio | ~10.0:1 |
| Fuel System | Not Included |
| Fuel Type | Gasoline |
| Ignition System | Not Included |
| Cooling System | Water-Cooled |
| Condition | Brand New |
| Country of Origin | United States |
| Included Components | Short block, cylinder heads, valve train |
| Recommended Use | Street rods, hot rods, classic GM restorations, performance builds |
Compliance & Disclaimer
All horsepower and torque values are approximate manufacturer dynamometer results.
Actual output may vary depending on intake, exhaust, and tuning setup.
This engine is designed for performance and off-road use and is not certified for emissions-controlled vehicles.
Professional installation and proper break-in procedures are recommended.
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Return Policy
FourToolz accepts returns within 30 days of delivery for items that are unused, in their original packaging, and include all accessories.
Customers are responsible for return shipping costs unless the product is defective or incorrectly shipped.
For detailed information, please review our full Return Policy or contact us at sales@fourtoolz.com.
by Leo Coleman
by Hannah Kim