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Atk High Performance Gm 383 Stroker 435 Hp Stage 3 Long Block Crate Engines Hp36C
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$3.600
The ATK High Performance GM 383 Stroker Stage 3 Long Block (HP36C) delivers 435 horsepower of high-performance power for GM muscle cars, classic builds, and street performance applications.
This fully assembled long block ensures turnkey installation, dependable performance, and EFI compatibility, making it ideal for enthusiasts seeking a powerful, reliable upgrade.
The GM 383 Stroker Stage 3 Long Block (Part #HP36C) is engineered for enthusiasts looking for enhanced power, durability, and modern performance reliability.
Stage 3 builds include forged internals, high-performance camshaft, precision-balanced rotating assembly, and high-quality cylinder heads, providing strong torque, horsepower, and street-ready drivability.
Included Components:
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Engine block
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Aluminum cylinder heads
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Stage 3 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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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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Compatible with GM muscle cars, street builds, and performance upgrades
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 and factory-tested
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Includes all critical components for installation
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Engineered for street, muscle car, and performance builds
Key Technical Specifications
| Specification | Details |
|---|---|
| Brand | ATK High Performance |
| Part Number | HP36C |
| Engine Type | V8, GM 383 Stroker |
| Configuration | Stage 3 Long Block Crate Engine |
| 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 | 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, 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.
EFI or fuel injection setup may require compatible components.
Not certified for emissions-controlled vehicles in all regions.
Questions & Answers
Have a question about this product? Ask below — we’ll reply as soon as possible.
Return & Refund Policy
- Return Period: Within 30 days of delivery.
- Condition: Unused, original packaging, all accessories included.
- Non-Returnable: Gift cards, personal care, custom or digital items, sale items.
- How to Return: Email support@fastoutboard.com for RMA and return address.
- Shipping: Customer pays unless item is faulty or incorrect.
- Refund: Processed within 5–10 business days after inspection.
Warranty
- Coverage: 1-Year limited warranty for manufacturing defects.
- Excludes: Misuse, wear, or unauthorized repair.
- Claim: Email proof and photos to support@fastoutboard.com.
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