ATK Chevy 383 Stroker 470HP HP101 Performance Edition Engine
ATK High Performance HP55C-EFI 383 Stroker 500 HP Stage 3 EFI Specs
| Brand | ATK High Performance Engines |
| Engine Model | HP55C-EFI |
| Part Type | Crate Engines |
| Product Line | ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI |
| Engine Type | HPE-HP55C-EFI |
| UPC | 653517517891 |
| Crate Engine Family | Chevy Small Block |
| Actual Engine Displacement | 6.3L / 383 CI |
| Cylinder Head Material | Aluminum |
| Engine Block Material | Cast iron |
| Advertised Compression Ratio | 10.2:1 |
| 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 |
| Throttle Body Included | Yes |
| Distributor Included | Yes |
| Oil Pan Included | Yes |
| Valve Covers Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | Yes |
| Harmonic Balancer Included | Yes |
| Flexplate Included | Yes |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | Yes |
| Wiring Harness Included | Yes |
| Water Pump Style | Long |
| Warranty Info | 1 Year |
ATK Chevy 383 Performance Included:
- 100% Brand New ATK HP101 Chevy 383 Stroker Small Block Core (Cast Iron)
- ATK High-Performance Aluminum Cylinder Heads (72cc/195cc)
- Scat Nodular Iron Crankshaft and Scat I-Beam Connecting Rods
- Forged Pistons (10.0:1 Compression Ratio) and Moly Rings
- Hydraulic Roller Camshaft and Billet Aluminum Roller Rocker Arms
- Rear Sump 5-Quart Oil Pan and Timing Cover
- Valve Covers and Professional Engine Assembly Work
- Official ATK High Performance Engines Limited Warranty Card
- ATK High Performance Engines Installation Guide
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