
( Manufacturer Part Number: 3781147 ), ( Part Type: Cylinder Head ), ( Country/region Of Manufacture: United States )
The PO 3781147 348 Cylinder Heads are a high-quality replacement part for classic and vintage vehicles. These cylinder heads are designed to provide superior performance and reliability, making them an excellent choice for enthusiasts and restoration projects.
The PO 3781147 348 Cylinder Heads are made from premium cast iron, which is known for its durability and heat resistance. The heads feature four valve ports, which allows for improved air and fuel flow, resulting in increased horsepower and torque. The valve seats are made from hardened steel, ensuring a long-lasting and leak-free seal.
The cylinder heads also feature a multi-angled valve guide, which helps to reduce valve wear and increase valve lifespan. The heads also have a large combustion chamber, which allows for a more efficient burn of fuel, resulting in improved engine efficiency.
The PO 3781147 348 Cylinder Heads are designed to fit a wide range of classic and vintage vehicles, including those with a displacement of 348 cubic inches. The heads come fully assembled, with new valves, springs, and retainers included. The heads also come with new gaskets and hardware, making installation easy and hassle-free.
In summary, the PO 3781147 348 Cylinder Heads are a high-quality replacement part for classic and vintage vehicles. Made from premium cast iron, these heads feature four valve ports, hardened steel valve seats, and a multi-angled valve guide for improved performance and reliability. With a large combustion chamber and fully assembled design, these heads are a great choice for enthusiasts and restoration projects.
Pros of buying PO 3781147 348 Cylinder Heads:1. Affordability: These aftermarket cylinder heads are often more budget-friendly compared to OEM (Original Equipment Manufacturer) parts from car manufacturers.
2. Availability: Aftermarket parts like these are generally easier to find and purchase, especially for older vehicles or hard-to-find parts.
3. Performance enhancements: Some aftermarket cylinder heads, like PO 3781147, offer improved performance over the original parts, such as increased horsepower and torque.
Cons of buying PO 3781147 348 Cylinder Heads:1. Quality concerns: Not all aftermarket parts are created equal. Some may be made with lower-quality materials or may not fit properly, leading to potential issues down the line.
2. Warranty concerns: Aftermarket parts often do not come with the same warranty coverage as OEM parts, so you may be responsible for any repairs or replacements if they fail.
3. Installation difficulties: Installing aftermarket cylinder heads can be more complex than OEM parts, as they may require additional modifications or adjustments to fit properly.
Conclusion:If you're looking for an affordable and potentially performance-enhancing option for your 348 engine, aftermarket cylinder heads like PO 3781147 can be a good choice. However, it's essential to carefully research and choose a reputable manufacturer to ensure you're getting a high-quality product. Additionally, be prepared for potential installation challenges and the lack of warranty coverage that often comes with aftermarket parts.
Recommendation:If you decide to purchase PO 3781147 348 Cylinder Heads, make sure to choose a reputable manufacturer with a good track record. It's also recommended to consult with a professional mechanic who has experience with aftermarket parts to ensure proper installation and to address any potential issues.
This offer is for 2 complete cylinder heads. The heads come as stock and appear to never even had a valve job.
These heads came out in the later part of the 1960 model year high performance heads head. The early hi po 348s had 335 horsepower and these heads made the horsepower 360, that's quite a difference. If you want matching numbers then the heads are right for these are very rare.
72 exhaust valves. They have the stock dual valve springs,rockers ,valves, rocker balls and nuts. 06 intake and1.