Atk High Performance Gm 383 Stroker 435 Hp Stage 3 Long Block Crate Engines With Efi Hp36Cefi
$4,200.00
The ATK High Performance GM 383 Stroker Stage 3 Long Block (HP36C-EFI) delivers 435 horsepower of advanced performance with Electronic Fuel Injection (EFI) for Chevrolet vehicles, classic muscle cars, and street builds.
Fully assembled and factory-tested, this long block ensures efficient fuel delivery, high power output, and reliable operation, suitable for high-performance street or mild racing applications.
Condition: New
The GM 383 Stroker Stage 3 Long Block with EFI (Part #HP36C-EFI) is engineered for enthusiasts seeking maximum performance with modern fuel injection technology.
This Stage 3 long block features precision-engineered components, a forged rotating assembly, Stage 3 camshaft, EFI-ready intake, and upgraded internals, offering enhanced performance, fuel efficiency, and reliability.
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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EFI-ready intake and fuel system compatibility
Performance Overview:
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383 C.I.D. (6.3L) Stroker V8 engine
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435 horsepower output
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Stage 3 performance build
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EFI-ready long block for modern fuel delivery
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Compatible with Chevrolet vehicles, street builds, and mild performance projects
Key Features
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ATK High Performance GM 383 Stroker Stage 3 long block
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435 horsepower output
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Fully assembled, EFI-ready, and factory-tested
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Includes all critical engine components for installation
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Engineered for street, mild performance, and muscle car builds
Key Technical Specifications
| Specification | Details |
|---|---|
| Brand | ATK High Performance |
| Part Number | HP36C-EFI |
| Engine Type | V8, GM 383 Stroker |
| Configuration | Stage 3 Long Block Crate Engine with EFI |
| Displacement | 383 C.I.D. / 6.3L |
| Horsepower | 435 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 | EFI Ready (Fuel Injection Compatible) |
| 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, EFI-ready intake |
| Recommended Use | Chevrolet vehicles, street builds, muscle cars, mild racing, 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 components may require additional tuning.
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.
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