ATK Ford 302 350 HP HP08C Stage 3 Aluminum Head LB
Forged internals make the heavy-duty ATK High Performance HP08C Ford 302 an excellent foundation, using aluminum cylinder heads to shed front-end weight while delivering 350 horsepower.
- 350 horsepower accelerates heavy street machines
- Aluminum heads reduce front chassis suspension fatigue
- Included carburetor speeds up initial startup tuning
- External 50-ounce balance matches standard flexplates
Description
Eliminating inadequate street horsepower requires the ATK Ford 302 350 HP HP08C Stage 3 Aluminum Head LB and its high-flowing aluminum cylinder heads. Command aggressive passing power during weekend highway driving. This build utilizes a precision machined Windsor iron block to output three hundred fifty horsepower smoothly.
Engine Architecture & Core Specifications
- Block Material: Cast iron Ford Windsor Small Block, precision machined.
- Cylinder Heads: High-performance aluminum cylinder heads.
- Compression Ratio: Performance compression profile engineered for aluminum heads.
- Bore & Stroke: 4.000 inch bore x 3.000 inch stroke (302 CID / 5.0L).
- Rotating Assembly: Externally balanced 50 oz imbalance with a hydraulic roller camshaft.
Component Breakdown: Turn-Key Complete Stage 3 Engine
This complete long block arrives fully dressed from the intake manifold down to the oil pan to eliminate sourcing individual accessories.
- A high flow carburetor sits atop a matched carbureted intake manifold while the included distributor and spark plug wires ensure immediate ignition out of the crate.
- A factory style water pump and harmonic balancer complete the front drive assembly allowing builders to focus strictly on chassis installation.
Vehicle Fitment & Compatibility Matrix
Engineered as a comprehensive powertrain solution this fully dressed engine drops effortlessly into iconic Ford muscle cars. Dropping in one of our turn-key Ford small block engines bypasses months of tedious machine shop delays.
- Fits 1965-1973 Ford Mustang models replacing tired small blocks perfectly.
- Fits 1966-1977 Ford Bronco platforms requiring a turn key solution for aggressive street driving.
- Fits 1967-1973 Mercury Cougar chassis providing an instant horsepower injection.
- Fits classic Ford F-100 pickup trucks acting as a complete drop in powertrain upgrade.
Fuel & Ignition System Requirements
Since the induction and ignition systems are pre-installed builders simply need to provide clean fuel and adequate exhaust plumbing.
- The pre-installed carburetor requires a steady supply of 91 Octane premium pump gas fed by a high quality mechanical or electric fuel pump to maintain safe air fuel ratios.
- The included distributor mandates a full twelve volt ignition source bypassing any original factory resistor wires to guarantee a powerful spark.
Installation, Break-In Oil & Priming Instructions
Even fully dressed engines demand careful pre-lubrication and heat cycling to ensure long term mechanical reliability.
- Before firing the engine builders must utilize a specialized tool to prime the oiling system manually ensuring fluid reaches the upper valvetrain completely.
- Fill the engine with a premium high zinc break in oil and perform a careful initial startup monitoring for leaks before executing a 500 mile break in period.
USA Warranty, Emissions & Logistics
ATK provides exceptional manufacturer support ensuring this complete engine package delivers reliable performance for years.
- Backed by a 24-Month or Unlimited-Mile warranty this complete long block offers extensive coverage against assembly defects when documented installation procedures are followed.
- This non-emissions compliant engine is designated for pre-emissions or off road Race Use Only and requires freight delivery to a commercial address with a forklift.
ATK High Performance HP08C Ford 302 350 HP Stage 3 Long Block Specs
| Brand | ATK High Performance Engines |
| Part Type | Crate Engines |
| Product Line | ATK High Performance Ford 302 350 HP Stage 3 Long Block Crate Engines |
| UPC | 00653517259470 |
| Crate Engine Family | Ford Windsor |
| Actual Engine Displacement | 5.0L/302 |
| Crate Engine Cylinder Head Material | Aluminum |
| Engine Block Material | Cast iron |
| Assembled | Yes |
| Engine Balance | External, 50 oz. imbalance |
| Cam Style | Hydraulic roller, OE roller |
| Rear Main Seal Style | 1-piece |
| Intake Manifold Included | Yes |
| Intake Manifold Style | Carbureted |
| Cylinder Heads Included | Yes |
| Carburetor Included | Yes |
| Throttle Body Included | No |
| 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 |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | No |
| Wiring Harness Included | No |
| Supercharger Included | No |









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