fits model: 425. make: Buick. year: 1959–1966.

( Brand: Buick Gm ), ( Manufacturer Part Number: B-1374603-E ), ( Part Type: Head ), ( Cars: Skylark Wildcat Electra Lesabre Gs400 ), ( Years: 1959 1960 1961 1962 1963 1964 )
The B-1374603-E Head Rocker is a crucial component for any 1964, 1965, or 1966 Buick Riviera Gran Sport with a 401 or 425 cubic inch engine. This head rocker is a direct replacement part, designed to fit perfectly into your classic Buick's engine, ensuring a seamless and reliable performance.
The B-1374603-E Head Rocker is engineered with precision and precision, boasting a high-quality construction that can withstand the rigors of high-performance driving. The rockers are made from a durable material that is heat-resistant, ensuring they can handle the intense heat generated by the engine without warping or failing.
The design of this head rocker is also noteworthy. It features a unique shape that allows for optimal valve movement, ensuring smooth and efficient combustion. This results in improved engine performance, increased horsepower, and better fuel efficiency.
Installing the B-1374603-E Head Rocker is a straightforward process, thanks to its easy-to-follow installation instructions. The package includes all necessary hardware, including new valve springs and keepers, making it a complete solution for your engine rebuild or upgrade.
In conclusion, the B-1374603-E Head Rocker is a must-have for any Buick Riviera Gran Sport owner with a 1964, 1965, or 1966 401 or 425 cubic inch engine. Its high-quality construction, optimal design, and easy installation make it an ideal choice for those who demand the best performance from their classic Buick.
Pros of buying B-1374603-E heads for a 1965 Buick Riviera Gran Sport 401/425:1. Increased horsepower: These heads are designed to provide better airflow and combustion, which can result in increased horsepower and torque for your engine.
2. Improved performance: The improved airflow and combustion also lead to better engine performance, including faster acceleration and smoother operation.
3. Compatibility: These heads are specifically designed for 1965 Buick Riviera Gran Sport 401/425 engines, so they should fit and function properly without requiring any modifications.
4. Quality construction: These heads are made from high-quality materials and are built to last, so they should provide reliable performance for many years to come.
Cons of buying B-1374603-E heads for a 1965 Buick Riviera Gran Sport 401/425:1. Cost: These heads can be relatively expensive, so they may not be within everyone's budget.
2. Installation: Installing these heads can be a complex and time-consuming process, so it may require the help of a professional mechanic.
3. Potential for engine damage: If not installed correctly, these heads could potentially cause damage to your engine, so it's important to follow the installation instructions carefully.
Conclusion:If you're looking to improve the performance of your 1965 Buick Riviera Gran Sport 401/425 engine, B-1374603-E heads could be a great option. They can provide increased horsepower, improved performance, and better engine reliability. However, they are relatively expensive and require professional installation, so be sure to factor these costs into your decision. Ultimately, if the benefits of these heads outweigh the costs and potential challenges, they could be a worthwhile investment to enhance the performance of your classic Buick.
These will fit other years as well. The stamped numbers are b e and dated g21 g24. These must ship in two separate boxes weighing 65lbs each. The shipping cost shown must be doubled.
These are used and I assume, need rebuilding. The rocker assemblies are there, but not attached. These must ship in two separate boxes weighing 65lbs each this is a pair of heads and rocker assemblies from 65 Buick riviera the shipping cost shown be doubled. Please see the pictures.