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Atk High Performance Gm 408 Lq4 Stroker 600 Hp Stage 1 Long Block Crate Engines Ls01
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$5,400.00
The ATK High Performance GM 408 LQ4 Stroker Stage 1 Long Block (LS01) delivers 600 horsepower of high-performance power for GM vehicles, street builds, and race applications.
Fully assembled with precision-balanced internals and high-quality components, this long block ensures turnkey installation, reliable performance, and exceptional durability for enthusiasts and builders.
Condition: New
The GM 408 LQ4 Stroker Stage 1 Long Block (Part #LS01) is engineered for enthusiasts and professional builders seeking a powerful and reliable GM crate engine.
Stage 1 builds focus on strength and durability, providing forged internals, high-performance camshaft, and balanced rotating assembly for robust horsepower and torque output.
Included Components:
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Engine block
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Aluminum cylinder heads
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Stage 1 performance camshaft
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Rotating assembly (crankshaft, rods, pistons)
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Oil pan
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Timing components
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Valve covers
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Fully assembled, ready for installation
Performance Overview:
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408 C.I.D. (6.7L) LQ4 Stroker V8 engine
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600 horsepower output
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Stage 1 performance build
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Compatible with GM muscle cars, street builds, and racing applications
Key Features
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ATK High Performance GM 408 LQ4 Stroker Stage 1 long block
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600 horsepower output
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Fully assembled and factory-tested
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Includes all critical components for installation
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Designed for high-performance street and race applications
Key Technical Specifications
| Specification | Details |
|---|---|
| Brand | ATK High Performance |
| Part Number | LS01 |
| Engine Type | V8, GM 408 LQ4 Stroker |
| Configuration | Stage 1 Long Block Crate Engine |
| Displacement | 408 C.I.D. / 6.7L |
| Horsepower | 600 Hp |
| Torque | Check Manufacturer Specs |
| Block Material | Cast Iron |
| Cylinder Heads | Aluminum |
| Crankshaft | Forged Steel |
| Connecting Rods | Forged Steel |
| Pistons | Forged Aluminum |
| Camshaft Type | Stage 1 Performance Cam |
| Fuel System | Not Included (EFI optional) |
| Fuel Type | Gasoline |
| Ignition System | Not Included |
| Cooling System | Water-Cooled |
| Condition | Brand New / Factory-Tested |
| Country of Origin | United States |
| Included Components | Block, heads, camshaft, rotating assembly, valve train, oil pan, timing components, valve covers |
| Recommended Use | GM vehicles, muscle cars, street builds, race applications, performance upgrades |
Compliance & Disclaimer
Horsepower and torque ratings should be verified with ATK High Performance specifications.
Professional installation and proper break-in procedures are recommended.
EFI or fuel injection setup may require compatible components.
Not certified for emissions-controlled vehicles in all regions.
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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 Alexander Lewis
by Kevin Setiawan