fits model: 350, 330. make: Olds, Oldsmobile.

( Brand: Olds ), ( Part Type: Compression Cylinder Head ), ( Placement On Vehicle: Front )
The 394487 350 Olds High Compression 403 Cylinder Heads are a top-tier upgrade for Oldsmobile enthusiasts seeking improved performance and power in their classic vehicles. These cylinder heads are specifically designed for the Oldsmobile 350 engine, providing a direct fit and hassle-free installation.
These 403 cylinder heads feature a high-compression design, raising the engine's performance potential. The compression ratio, which is a critical factor in engine performance, is elevated to deliver more power and torque, enhancing the overall driving experience. The high-compression design also improves fuel efficiency, allowing your engine to burn fuel more efficiently and reducing fuel consumption.
One of the standout features of these cylinder heads is the 330-degree welded exhaust ports. This design allows for a more efficient exhaust flow, reducing backpressure and increasing engine power. The welded construction ensures durability and resistance to heat, minimizing the risk of cracks or failures over time.
The 394487 350 Olds High Compression 403 Cylinder Heads are also equipped with oversized intake and exhaust valves, which increase the volume of air and exhaust gas that can flow in and out of the engine. This results in improved combustion efficiency, better engine breathing, and a more potent engine performance.
The cylinder heads are finished with a high-polish chrome plating, giving them a sleek and stylish appearance that complements any Oldsmobile engine bay. The chrome plating also provides an additional layer of protection against corrosion and wear, ensuring that your cylinder heads maintain their appearance and performance for years to come.
In summary, the 394487 350 Olds High Compression 403 Cylinder Heads are an excellent choice for Oldsmobile enthusiasts seeking a performance upgrade. Their high-compression design, 330-degree welded exhaust ports, oversized valves, and high-polish chrome plating make them a powerful and reliable upgrade for your Oldsmobile 350 engine.
Pros of buying 394487 350 olds high compression 403 cylinder heads 330 welded oldsmobile:1. High Compression: The high compression ratio of these cylinder heads can provide better engine performance, leading to increased horsepower and torque.
2. Welded: The welded design of these cylinder heads can improve the strength and durability of the engine, reducing the risk of cracks or leaks.
3. Oldsmobile Compatibility: These cylinder heads are specifically designed for Oldsmobile engines, ensuring a perfect fit and compatibility with other Oldsmobile parts.
Cons of buying 394487 350 olds high compression 403 cylinder heads 330 welded oldsmobile:1. Expensive: These high-performance cylinder heads can be quite pricey, and may not fit within every budget.
2. Potential Compatibility Issues: While these cylinder heads are designed for Oldsmobile engines, there may be compatibility issues with certain engines or older vehicles.
3. Requires Expert Installation: Due to their high-performance nature, these cylinder heads may require professional installation to ensure proper fit and function.
Conclusion: If you are looking to improve the performance of your Oldsmobile engine and have the budget for it, then the 394487 350 olds high compression 403 cylinder heads 330 welded oldsmobile can be a great option. However, it is important to ensure compatibility with your specific engine and vehicle, and to consider the cost of professional installation.
Recommendation: Before making a purchase, do your research and consult with a knowledgeable mechanic to ensure that these cylinder heads are the best option for your specific Oldsmobile engine and vehicle. Additionally, consider the cost of installation and any potential compatibility issues to ensure that you are making a wise investment.
The ports and bowls need to be cleaned up, I got the heads for the springs, retainers and keepers.
With modifications these heads will work on the Olds 403. Comparing these to a stock pair of 3 heads I have, these look to have been surfaced by. Selling a pair of bare high compression wag cylinder heads which were used on the previously measuring with caliper gauge, also the exhaust blade has been welded and level with the side of the head but need to be smoothed out on the sides. There are earlier date codes on the heads, being 12 and to 1 330's.