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Blueprint Engines Pro Series Chevy Ls 427 C.I.D. 800Hp Efi Dressed Long Block Crate Engines Psls4272Sct
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$12,600.00
The Blueprint Engines PSLS4272SCT is a Chevy LS 427 cubic inch Pro Series crate engine, producing approximately 800 horsepower.
Fully dressed and EFI-ready, this long block is ideal for high-performance street rods, muscle cars, and racing applications, delivering modern EFI compatibility with a fully assembled long block.
Condition: New
The Blueprint Engines Pro Series Chevy LS 427 C.I.D. 800 HP EFI Dressed Long Block (PSLS4272SCT) combines advanced LS architecture with Pro Series performance enhancements to deliver high-output, reliable horsepower.
This engine includes all essential components for a fully dressed long block, including:
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Cylinder heads
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Valve train
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Rotating assembly
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Oil pan
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Timing cover
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Valve covers
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EFI-compatible components
Each engine is blueprinted, balanced, and dyno-tested in the USA, ensuring consistent high-performance output.
Perfect for enthusiasts who demand reliability and power for street, drag, or racing applications.
Performance Overview:
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427 cubic inch (7.0 L) Chevy LS V8
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Fully dressed long block with EFI-ready components
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Approximate output: 800 HP and 700 lb-ft torque
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Ideal for street rods, muscle cars, drag racing, and performance builds
Key Features
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Chevy LS 427 C.I.D. Pro Series V8
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Fully dressed long block with EFI-ready components
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Blueprint-balanced rotating assembly for maximum reliability
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High-performance camshaft for optimized horsepower and torque
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Dyno-tested to verify 800 HP output
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Compatible with modern EFI intake and ignition systems
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Ideal for high-performance street, drag, and muscle car builds
Key Technical Specifications
| Specification | Details |
|---|---|
| Brand | Blueprint Engines |
| Part Number | PSLS4272SCT |
| Series | Pro Series Chevy LS |
| Engine Type | Chevrolet LS 427 V8 |
| Configuration | Fully Dressed Long Block (EFI Ready) |
| Displacement | 427 Cubic Inches (7.0 Liters) |
| Horsepower (Factory Tested) | Approx. 800 HP |
| Torque (Factory Tested) | Approx. 700 lb-ft |
| Block Material | Aluminum |
| Cylinder Heads | Aluminum |
| Crankshaft | Forged Steel |
| Connecting Rods | Forged Steel |
| Pistons | Forged Aluminum |
| Camshaft Type | High-performance Hydraulic Roller |
| Compression Ratio | ~11.0:1 |
| Fuel System | EFI (Fuel Injection System Compatible) |
| Fuel Type | Gasoline |
| Ignition System | Not Included |
| Cooling System | Water-Cooled |
| Condition | Brand New |
| Country of Origin | United States |
| Included Components | Cylinder heads, valve train, rotating assembly, oil pan, timing cover, valve covers, EFI-ready components |
| Recommended Use | Street rods, muscle cars, drag racing, high-performance builds |
Compliance & Disclaimer
All horsepower and torque values are manufacturer estimates based on dynamometer testing.
Actual output may vary depending on intake, exhaust, and tuning.
Professional installation and proper break-in procedures are recommended.
Not certified for emissions-controlled vehicles.
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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 Isabella Brown
by Tommy Peterson