ATK Ford 502 Big Block 545 HP HP19M Stage 2 Engine
Restomod projects run cooler when you slide the ATK Ford 502 545HP under the hood. A cast iron bottom end combines with 9.5:1 compression aluminum heads. Grab your own high-cfm carburetor. Fire it up.
- Tight 9.5:1 compression runs perfectly on pump gas
- Two piece rear main seal accommodates classic pans
- Pre-installed distributor ensures clean timing advance curves
- Cast iron big block provides unmatched structural cylinder strength
- Mid-dress kit includes oil pan and valve covers
Description
Aggressive highway acceleration requires the ATK Ford 502 Big Block 545 HP HP19M Stage 2 Engine and its high-flowing induction hardware. Experience brutal mid-range power during competitive weekend track events. This build utilizes a precision machined iron casting to output five hundred forty-five horsepower reliably.
Key Features of ATK Ford 502 Big Block 545 HP HP19M
- Block Material: Cast iron Ford Big Block prevents core distortion to harness massive 502 cubic inch torque safely.
- Cylinder Heads: High-performance aluminum cylinder heads feature advanced port designs to maximize airflow into the combustion chambers.
- Compression Ratio: A 9.5:1 advertised compression ratio optimizes power output while remaining completely safe for premium pump gas.
- Induction System: The pre-installed intake manifold and distributor provide an accelerated path for immediate turn-key performance.
- Rear Main Seal: A traditional two-piece rear main seal ensures compatibility with classic Ford transmission configurations.
Component Breakdown: Mid-Dress Performance Long Block
This partially assembled engine accelerates your powertrain swap project by including major induction and ignition hardware pre-installed.
- A matched carbureted intake manifold pairs with the included distributor and harmonic balancer to simplify top end integration immediately.
- Heavy duty aluminum cylinder heads resist thermal fatigue while the pre-installed oil pan and water pump streamline the bottom end installation securely.
Vehicle Fitment & Compatibility Matrix
Designed to drop seamlessly into spacious classic engine bays this mid-dress big block aligns perfectly with standard Ford motor mounts. Utilizing one of our heavy-duty Ford big block crate engines bypasses complex internal engine assembly.
- Fits 1970-1973 Ford Mustang models looking for an authentic big block power upgrade.
- Fits 1973-1979 Ford F-250 and F-350 pickup trucks requiring a heavy duty replacement block.
- Fits custom Ford Galaxie and Torino platforms needing robust low end torque.
- Fits classic Lincoln and Mercury full-size chassis seeking a direct fit big block replacement.
Fuel & Ignition System Requirements
Feeding this modern aluminum headed big block engine demands proper fuel tuning and reliable high-voltage ignition components.
- A high flow carburetor and upgraded fuel pump are required to supply the intake manifold while utilizing 91 Octane premium pump gas prevents pre-ignition.
- The included distributor mandates a direct twelve volt ignition source bypassing factory resistor wires to guarantee a powerful spark.
Installation, Break-In Oil & Priming Instructions
Strict adherence to flat tappet break-in protocols dictates the long-term survival of these freshly machined bearing surfaces.
- Fill the crankcase with a high zinc break in oil before manually priming the oil system with a dedicated priming tool until pressure is verified.
- Start the engine and immediately raise the speed to two thousand RPM for twenty minutes to ensure proper flat tappet camshaft break-in.
USA Warranty, Emissions & Logistics
Protecting your investment requires understanding the specific logistics and legal compliance associated with this purchase.
- Backed by a strict 1-Year manufacturer warranty this engine provides excellent protection against internal manufacturing defects when installed properly.
- This assembly is not legal for sale or use on pollution controlled motor vehicles and ships securely via LTL freight to commercial addresses.
ATK High Performance Ford 502 545 HP Stage 2 Long Block Specs HP19M
| Brand | ATK High Performance Engines |
| Part Type | Crate Engines |
| Product Line | ATK High Performance Ford 502 545 HP Stage 2 Long Block Crate Engines |
| UPC | 00653517260070 |
| Crate Engine Family | Ford Big Block |
| Actual Engine Displacement | 8.2L / 502 CI |
| Crate Engine Cylinder Head Material | Aluminum |
| Engine Block Material | Cast iron |
| Advertised Compression Ratio | 9.5:1 |
| Assembled | Yes |
| Engine Balance | Internal |
| Cam Style | Hydraulic flat tappet |
| Rear Main Seal Style | 2-piece |
| Intake Manifold Included | Yes |
| Intake Manifold Style | Carbureted |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| 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 | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| Supercharger Included | No |
| Warranty Info | 1 Year |













Reviews
There are no reviews yet.