Atk High Performance Chevy 383 Stroker 470 Hp Mid-Dress Long Block Crate Engines Hp101M
$3,000.00
The ATK High Performance Chevy 383 Stroker Mid-Dress Long Block (HP101M) delivers 470 horsepower of high-performance power for Chevrolet vehicles, classic muscle cars, and street builds.
This mid-dress long block comes partially assembled with essential components installed, offering enhanced performance, durability, and straightforward installation.
Condition: New
The Chevy 383 Stroker Mid-Dress Long Block (Part #HP101M) is engineered for enthusiasts seeking powerful performance with reliable construction.
This mid-dress long block includes precision-engineered components, a forged rotating assembly, Stage 3 camshaft, and performance-balanced internals, making it ideal for street, mild performance, and restoration projects.
Included Components:
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Engine block
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Cylinder heads
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Camshaft and valve train
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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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Mid-dress components for partial assembly
Performance Overview:
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383 C.I.D. (6.3L) Stroker V8 engine
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470 horsepower output
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Stage 3 performance build
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Mid-dress configuration for simplified installation
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Compatible with Chevrolet vehicles, classic muscle cars, and street builds
Key Features
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ATK High Performance Chevy 383 Stroker Mid-Dress Long Block
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470 horsepower output
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Partially dressed for easier installation
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Fully balanced and factory-tested rotating assembly
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Engineered for street, mild performance, and restoration builds
Key Technical Specifications
| Specification | Details |
|---|---|
| Brand | ATK High Performance |
| Part Number | HP101M |
| Engine Type | V8, Chevy 383 Stroker |
| Configuration | Stage 3 Mid-Dress Long Block Crate Engine |
| Displacement | 383 C.I.D. / 6.3L |
| Horsepower | 470 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 3 Performance Cam |
| Fuel System | Not Included |
| 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, mid-dress components |
| Recommended Use | Chevy vehicles, street builds, muscle cars, mild performance upgrades, restoration projects |
Compliance & Disclaimer
Horsepower and torque ratings should be verified with ATK High Performance specifications.
Professional installation and proper break-in procedures are recommended.
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 Leo Coleman
by Dewi Kusuma