ATK High Performance HP36CEFI 383 Stroker 435 HP Stage 3 EFI
Modernize your stroker muscle with the ATK High Performance HP36CEFI 383 Stroker 435 HP Stage 3 EFI Complete Crate Engine. This fully dressed engine is wired for electronic fuel injection (EFI), delivering 435 reliable horsepower with improved efficiency and drivability. ATK High Performance combines aggressive stroker performance with the convenience of a turn-key EFI setup. The HP36CEFI is the smart solution for a powerful, street-reliable, and technologically advanced 383 Stroker engine swap.
| Brand | ATK High Performance Engines |
|---|---|
| Engine Model | HP36CEFI |
| Part Type | Crate Engines |
| Product Line | ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI |
| Engine Type | HPE-HP36CEFI |
| UPC | 653517517822 |
| Crate Engine Family | Chevy Small Block |
| Actual Engine Displacement | 6.3L / 383 CI |
| Crate Engine Cylinder Head Material | Aluminum |
| Engine Block Material | Cast iron |
| Advertised Compression Ratio | 10.0:1 |
| Assembled | Yes |
| Engine Balance | Internal/External |
| Cam Style | Hydraulic roller, OE roller |
| Rear Main Seal Style | 1-piece |
| Intake Manifold Included | Yes |
| Intake Manifold Style | Fuel Injection |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | Yes |
| Distributor Included | Yes |
| Oil Pan Included | Yes |
| Valve Covers Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | Yes |
| Water Pump Style | Long |
| Harmonic Balancer Included | Yes |
| Flexplate Included | Yes |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | Yes |
| Wiring Harness Included | Yes |
| Supercharger Included | No |
| Warranty Info | 1 Year |












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