fits year: 1972–1982.

( Brand: International Harvester Company ), ( Manufacturer Part Number: 391933C1 ), ( Part Type: Engine Cylinder Head )
The International Harvester 391933C1 engine cylinder head is an essential component for the repair and maintenance of the 304 inch (7.67L) cast engine, which was used in International Harvester tractors manufactured between the years 1972 and 1982. This engine, known for its robustness and dependability, powers a wide range of agriculture and industrial applications. In this product description, we will delve deeper into the features and specifications of this high-performance cylinder head.
Design and Construction:The International Harvester 391933C1 engine cylinder head is a finned, cast-iron, high-performance design. It incorporates four-bolt cylinder head flanges and features an installation surface that ensures precise alignment and excellent sealing against coolant andcombustion gases. This design, combined with the cylinder head's pressure-tested sealing surface, ensures that the engine maintains optimal combustion chamber pressure, enhancing overall engine performance.
Valve Train Compatibility:The 391933C1 cylinder head is compatible with original equipment valves, including the 1.98-inch (50.30mm) intake valves and the 1.56-inch (39.62mm) exhaust valves. The valves are installed using a single overhead camshaft (SOHC) system, which utilizes a hydraulic valve lifter system for efficient valve operation.
Engine Compatibility:This International Harvester 391933C1 cylinder head is specifically made for use with the International Harvester 304 inch (7.67L) cast engines manufactured between the years 1972 and 1982. These engines can be found in various models of International Harvester tractors and industrial applications, such as the Model D, Model F, Model N, Model M, Model MX, and Model RO.
Dimensions:The overall dimensions of this cylinder head are: 12.5 inches long x 8.5 inches wide x 8.5 inches high (317.5mm x 215.9mm x 215.9mm). It is crucial to ensure a proper fit when installing this cylinder head on an engine, as a misalignment can result in engine performance issues and increased wear on other components.
Conclusion:The International Harvester 391933C1 engine cylinder head is an essential part for maintaining and upgrading the performance of 1972-1982 International Harvester tractors with a 304 inch (7.67L) cast engine. This high-quality, finned cast-iron design offers excellent thermal conductivity and reliable sealing, ensuring optimal engine performance and providing confidence for a range of agricultural and industrial applications. With its precise dimensions and compatibility with original equipment valves and camshaft systems, this cylinder head is a valuable investment for those seeking top performance in their International Harvester equipment.
Buying an International Harvester 391933C1 engine cylinder head for a 1972-1982 International Harvester truck with a 304 inch (7.0 liter) cast engine can be a worthwhile investment for those seeking to restore or rebuild their vehicle. Here are some potential pros and cons:
Pros:1. Engine Performance: Replacing the cylinder head can improve engine performance by addressing issues such as excessive wear, coolant leaks, or poor combustion.
2. Enhanced Durability: A new or rebuilt cylinder head will add to the overall durability of the engine, potentially increasing the lifespan of the engine and preventing future repair costs.
3. better Fuel Efficiency: Improved combustion caused by a new or rebuilt cylinder head can lead to better fuel economy, as less fuel will be required to produce the same amount of power.
4. Smoother Operation: Addressing issues with the cylinder head can result in a smoother operating engine, reducing vibrations and engine noise.
5. Better Throttle Response: A properly functioning cylinder head enables better throttle response, making the vehicle more responsive, particularly important for heavy-duty applications.
6. Increased Horsepower: A rebuilt or new cylinder head can result in increased horsepower and torque, leading to better acceleration and overall vehicle performance.
Cons:1. Cost: Purchasing a new OEM cylinder head or having it rebuilt can be a significant expense, depending on the labor, parts, and other associated costs.
2. Availability: Replacement cylinder heads for older models, especially uncommon or hard-to-find engines, may be difficult to source, requiring time and patience to find a reliable supplier.
3. Installation Complexity: Installing a new or rebuilt cylinder head can be a complex process, requiring specialized tools and technical knowledge. It may be wise to hire a professional mechanic to perform the installation to ensure proper fitment and operation.
4. Compatibility: Ensuring the acquired cylinder head is compatible with your specific engine and vehicle make and model is crucial. Incorrect parts can cause further damage or reduced performance, leading to additional repair costs.
In conclusion, purchasing an International Harvester 391933C1 engine cylinder head for a 1972-1982 304 inch cast engine can offer substantial performance benefits but comes with upfront costs and potential complexities. Finding a reliable and trustworthy supplier, confirming compatibility, and considering professional installation can help ensure a successful and rewarding experience.
Recommendation: If you're seeking significant engine improvement, especially for heavy-duty applications or older vehicles with older engines, investing in a rebuilt or new International Harvester 391933C1 engine cylinder head may be a worthwhile investment. It's essential to do thorough research, choose a reputable supplier, and carefully consider the potential costs and complexities involved before making a decision.
Condition is Used. Shipped with UPS Ground.