# ATK Marine Engine DMK3RP ATK Marine Rebuilt Long Block Engines | Summit Racing

**Manufacturer:** ATK Marine Engine  
**MPN:** `DMK3RP`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | ATK Marine Engine |
| Manufacturer name | ATK Marine Engine |
| Manufacturer | ATK Marine Engine |
| Extra Product Name | ATK Marine Engine DMK3RP ATK Marine Rebuilt Long Block Engines \| Summit Racing |
| UPC | 00653517527395 |
| moq | 1 |
| MPN | DMK3RP |
| multiple | 1 |
| qtyInStock | Jul 24, 2023 |
| SKU | HME-DMK3RP |
| tierMinQty1 | 1 |
| tierPrice1 | 6409.9900 |
| Brand | ATK Marine Engine |
| Manufacturer's Part Number | DMK3RP |
| Part Type | Crate Engines |
| Product Line | ATK Marine Rebuilt Long Block Engines |
| Summit Racing Part Number | HME-DMK3RP |
| Crate Engine Family | Chevy Big Block |
| Actual Engine Displacement | 7.4L/454 |
| Crate Engine Cylinder Head Material | Cast iron |
| Engine Block Material | Cast iron |
| Assembled | Yes |
| Cam Style | Hydraulic roller, OE roller |
| Rear Main Seal Style | 1-piece |
| Intake Manifold Included | No |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | No |
| Distributor Included | No |
| Oil Pan Included | Yes |
| Valve Covers Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| Supercharger Included | No |
| Quantity | Sold individually. |
| Notes | New cylinder heads, oil pump and gasket included. |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Summit Racing | HME-DMK3RP | 6409.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/216000000/216012000/part_--DMK3RP---ATKMarineEngine--2a83ce40be.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp