fits model: Prix, Grand. make: Pontiac. year: 1961–1962.

( Brand: Oem Gm Catalina Bonneville Hp 389 421 61 62 ), ( Manufacturer Part Number: 538177 ), ( Part Type: Cylinder Head ), ( Placement On Vehicle: Left ), ( Country/region Of Manufacture: United States ), ( Core Charge: No Core Charge )
This is a high-performance V8 cylinder head for the 1961-1962 Pontiac GTO and other models equipped with the 538177 Tri-Power 421 engine. This specific cylinder head carries the part numbers 540658 and 540659, and it's a must-have for anyone looking to enhance the performance of their classic Pontiac.
The Tri-Power 421 cylinder head is renowned for its ability to deliver impressive power and torque. This particular head features a high-flow intake and exhaust port design, which allows for increased air and fuel flow, resulting in improved combustion and horsepower. The head also features large valves and a high-lift camshaft, which further enhance the engine's breathing capabilities and power output.
The cylinder head is made of high-quality cast aluminum, ensuring durability and resistance to heat. It features a fully-machined and ported intake and exhaust passage, which provides smooth airflow and reduces turbulence. The head also features precision-machined valve seats, which ensure proper sealing and reduce the risk of leaks.
The Tri-Power 421 cylinder head is compatible with various Pontiac engines, including the 421, 427, and 455. It is designed to work with Tri-Power carburetors, but it can also be used with a single four-barrel carburetor or even fuel injection.
In summary, this Tri-Power 421 cylinder head is a high-performance upgrade for your 1961-1962 Pontiac GTO or other 538177 Tri-Power 421 engine-equipped vehicles. It features a high-flow intake and exhaust port design, large valves, and a high-lift camshaft, all of which contribute to increased power and torque. Made of high-quality cast aluminum, this head is durable and resistant to heat, with precision-machined valve seats for proper sealing. This cylinder head is a great choice for anyone looking to boost the performance of their classic Pontiac.
Pros of buying a 1961-1962 Pontiac GTO with a V8 421 Tri-Power cylinder head and 540658/540659 numbers:1. Power: The 421 Tri-Power engine is known for its immense power and torque, making this car a thrilling drive.
2. Rarity: These specific Pontiac GTO models are quite rare, which can make them highly desirable among collectors and enthusiasts.
3. Potential for appreciation: Given their rarity and desirability, these cars have the potential to appreciate in value over time.
4. Classic look: The 1961-1962 Pontiac GTO has a timeless and iconic design that is loved by many car enthusiasts.
Cons of buying a 1961-1962 Pontiac GTO with a V8 421 Tri-Power cylinder head and 540658/540659 numbers:1. Cost: These cars can be expensive due to their rarity and desirability. Restoration and maintenance costs can also be high.
2. Reliability: Older cars like this one may require more frequent maintenance and repairs than newer models.
3. Limited modern features: These cars do not come with many of the modern features that are standard in newer cars, such as air conditioning, power windows, and anti-lock brakes.
4. Insurance: Insurance for classic cars can be expensive, and the cost may increase if the car is used for regular driving.
Conclusion: If you are a car enthusiast with a passion for classic cars and a significant budget, a 1961-1962 Pontiac GTO with a V8 421 Tri-Power cylinder head and 540658/540659 numbers could be a great investment. However, it is important to be aware of the costs associated with owning and maintaining a classic car, and to ensure that the car is in good condition before making a purchase.
Recommendation: Before making a purchase, do your research and seek the advice of a professional mechanic. Make sure to budget for restoration and maintenance costs, and consider whether you are willing to put in the time and effort required to keep the car in good shape. Additionally, it may be helpful to join a car club or community to connect with other owners and enthusiasts who can provide advice and support.
Here some Pontiac cylinder head info these fit traditional Pontiac engines 389, 421,etc. Combustion chamber ports are stock.
Perfect for your prized poncho.
Heres used pair 2 of Pontiac casting port heads. These are correct for Pontiac 389 4v tri power 421, etc. Zip miles n of Palmdale, 40 miles e of Bakersfield, 3 hours w of Vegas.
They have no cracks are being sold as good cores. Wallace racing.