Engines and Components› Engines, Blocks and Components
ATK Engines
Ford 408 Stroker Complete Engine
SKU: HP81C
Professional / shop required
Description
Key components include Scat 4340 forged crankshaft and H-beam rods, forged pistons with a 10.1 compression ratio, and ATK HP aluminum cylinder heads. It also comes equipped with a Melling high-volume oil pump, an Edelbrock Performer RPM Air Gap intake manifold, and a Quick Fuel 770 CFM carburetor.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | ATK Engines |
| Part Number | HP81C |
| Category | Engines and Components |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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