$275 Shipping
$275 Shipping
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#35020218
ATK HP81M Ford 408 Stroker Mid Dress Engine 480HP
- 408ci Ford stroker rated at 480 HP for serious street builds
- Mid-dress engine includes intake, oil pan, and timing components
- Forged internals and aluminum heads deliver reliability and flow
$9,650.00
each
Factory Shipped
Quantity
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Product Summary
6.7 cu. in. Engine Displacement, Distributor Included
- 408ci Ford stroker rated at 480 HP for serious street builds
- Mid-dress engine includes intake, oil pan, and timing components
- Forged internals and aluminum heads deliver reliability and flow
- Hydraulic roller cam for power and street-friendly driveability
- Dyno-tested and backed by warranty for worry-free performance
Key Specs
| Engine Displacement | 6.7 cu. in. |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Aluminum |
| Carburetor Included | No |
| Intake Manifold Included | Yes |
Need To Know
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Return PolicyATK Engines HP81M Details
ATK Engines HP81M Details
Engine Specifications:
Recommended Components:
Engine Info:
Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.
CARB Warning
Follow EPA, CARB, and state regulations for engine changes
CARB Warning
Follow EPA, CARB, and state regulations for engine changes
Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine
ATK Engines HP81M Specifications
ATK Engines HP81M Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | HP81M |
| Brand | ATK Engines |
| Engine Displacement | 6.7 cu. in. |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Aluminum |
| Carburetor Included | No |
| Intake Manifold Included | Yes |
| Distributor Included | Yes |
| Valve Covers Included | Yes |
| Engine Balance | Internal |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | No |
| Oil Pan Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | Yes |
| Harmonic Balancer Included | Yes |
| Flexplate Included | Yes |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| GENERAL | |
| Assembled | Yes |
| Material Type | Cast Iron |
| GTIN Code | 00653517259616 |
| Sold in Quantity | Each |
| Crate Engine Family | Ford Windsor |
| Supercharger Included | No |