ATK ENGINES HP78 Base Engine 365HP

( Brand: Atk Engines ), ( Manufacturer Part Number: HP78 ), ( Type: Crate Engines ), ( California Prop 65 Warning: False )

Review ATK ENGINES Fits Ford Base Engine 365hp fits 302

The ATK Engines HP78 is a high-performance aftermarket supercharger kit specifically designed for the Ford 302 base engine. This kit is capable of delivering an impressive power output of up to 365 horsepower, making it an excellent choice for Ford enthusiasts looking to boost the performance of their engine.

The HP78 kit comes with a compact, self-contained Eaton TVS supercharger that utilizes a four-lobe rotor design. This design offers excellent volumetric efficiency, ensuring optimal power output across the entire RPM range. The supercharger is driven by a heavy-duty, three-ply belt system that is both reliable and efficient.

The HP78 kit also includes a high-flow intercooler system that helps to reduce intake air temperature, ensuring consistent and efficient power delivery. The intercooler core is made of high-density, bar-and-plate construction, providing excellent thermal efficiency and maximizing the cooling capacity.

The ATK Engines HP78 kit is designed to be a bolt-on solution, making installation quick and straightforward. The kit includes all necessary hardware, as well as detailed installation instructions to ensure a smooth and successful installation process.

Additionally, the HP78 kit features a number of design elements that help to enhance the overall aesthetics of the engine bay. The supercharger is finished in a high-gloss, powder-coated black, while the air intake system is constructed from polished aluminum. These design elements not only look great, but they also help to protect the components from the elements.

In summary, the ATK Engines HP78 supercharger kit is a high-performance, bolt-on solution for enhancing the power output of the Ford 302 base engine. With its compact, self-contained design, efficient intercooler system, and easy installation process, this kit is an excellent choice for anyone looking to take their Ford to the next level.

The ATK Engines HP78 is a supercharger kit designed for the Ford 302 base engine, capable of producing 365 horsepower. Here are some pros and cons of installing this kit on your Ford 302 engine:

1. Increased Power: The primary advantage of installing the ATK Engines HP78 supercharger kit is the significant power increase. With the kit, the engine produces an additional 103 horsepower and 87 lb-ft of torque, resulting in improved acceleration and overall performance.

2. Improved Drivability: The supercharger kit provides more consistent power delivery, especially during low RPMs, making the engine more responsive and improving drivability.

3. Better Engine Response: The supercharger kit reduces the engine's response time, allowing for quicker acceleration and smoother power delivery.

4. Enhanced Sound: The supercharger kit can produce an appealing engine sound, adding to the overall driving experience.

1. Cost: Installing the ATK Engines HP78 supercharger kit can be expensive. The cost includes the kit itself as well as the installation process, which may require professional assistance.

2. Maintenance: Supercharged engines require more frequent maintenance than naturally aspirated engines. This includes regular oil changes, belt replacements, and supercharger belt tensioning.

3. Fuel Consumption: Supercharged engines typically consume more fuel than naturally aspirated engines due to the increased power output.

4. Complexity: Installing a supercharger kit on a Ford 302 engine can be a complex process, potentially requiring modifications to the engine and engine wiring.

The ATK Engines HP78 supercharger kit offers significant power gains, improved drivability, and enhanced sound for the Ford 302 base engine. However, it comes with a hefty price tag, increased maintenance requirements, and higher fuel consumption. Ultimately, the decision to install this kit depends on your personal priorities, budget, and driving habits. If you value power and performance and are willing to invest in the additional costs, the ATK Engines HP78 supercharger kit could be a worthwhile investment. On the other hand, if you prioritize fuel efficiency and low maintenance costs, you may want to consider other options.

If you're considering the ATK Engines HP78 supercharger kit for your Ford 302 base engine, it's essential to weigh the pros and cons carefully and consider your personal priorities, budget, and driving habits. It may be helpful to consult with a professional mechanic or automotive enthusiast group to gain more insights and advice before making a decision. Additionally, ensure that you're prepared for the additional maintenance requirements and higher fuel consumption that come with a supercharged engine.

Details:

These Engines are year and model specific. Specs Crate Engine Type Short Block Camshaft Hydraulic Roller Carburetor Included No Intake Manifold Distributor Valve Covers Balance Internal Cylinder Heads Rear Main Seal 1-piece Throttle Body Oil Pan Timing Cover Water Pump Harmonic Balance Flex plate Flywheel Air Cleaner Spark Plugs Plug Wires Computer Wiring Harness MFG. Do NOT return cores to Speedway Motors

Engine Info: Oil: Conventional / Non Synthetic 10W30, Oil Filter: Wiz or K N, Timing: 34-36 Degrees, Spark Plug Gap: .035, Firing Order: 13726548, Octane: 91, Stall Converter: 2400-28 Exhaust: 1 5/8. Roller, Cam Specs: 220/224 50 .512in/.512ex 112LSA, Timing Chain: Double roller, Cylinder Heads: Dart aluminum 58cc/170cc 2.02/1.60, Rocker Arms: Aluminum 1.6 roller rockers, Oil Pan: Front sump, Pump: Mewling high volume. Part # HP78 Condition New Brand ATK Engines Sold Each Details Engine Specifications: HP: 375, TQ: 380, Block: Seasoned OE Roller Block 1987 -1995, Bore/Stroke: 4.040 x 3.0 Displacement: 302CI, Crankshaft: 1 piece seal external balance 50oz, Rods: OE, Pistons: Hyper eutectic 9.5:1 compression, Rings: Molly, Camshaft: HUD.

part #: hp78 price

• $5857.99

specifications grokengines:

• for models: 302
• for makes: Ford
• brand: Atk Engines
• mpn: Hp78
• type: Crate Engines
• california prop 65 warning: False

offer grokEngines:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 12, 2026
• quantity: 1

seller grokEngines:

• # reviews: 354016
• rating: 99.7%
• city: Lincoln, Nebraska

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• other
• wallet: Apple-pay
• credit card: Visa

shipping grokEngines:

• class: Freight
• cost: $275.00
• type: Fixed
• service: Flat Rate Freight

general grokEngines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: New

returns grokEngines:

• policy: Returns Accepted
• paid by: Buyer
• time: 60 Days

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