fits make: Pontiac. year: 1959–1966.

( Brand: Sb International ), ( Manufacturer Part Number: 181-1044 ), ( Type: Rocker Arm Kit ), ( Fitment Type: Direct Replacement )
The SBI International 181-1044 SB RK431 1959-1966 Pontiac 389 Single Rocker Arm Kit is a comprehensive solution for your classic Pontiac's engine performance upgrade or restoration project. This kit is specifically designed for the 389 V8 engine used in Pontiac models during the 1959-1966 era.
The SBI International 1959-1966 Pontiac 389 Single Rocker Arm Kit includes all the necessary components to replace the original double-rocker arm setup with a single-rocker arm design. The single-rocker arm setup provides better valve control, improved engine performance, and easier camshaft adjustment.
The kit includes high-quality forged steel rocker arms, pushrods, and lifters. The rocker arms are precision-machined to ensure a perfect fit and are designed to provide superior valve control. The pushrods are made from heat-treated steel and are carefully sized to ensure proper clearance and valve overlap. The lifters are made from cast aluminum and are designed to provide a smooth, quiet operation.
The SBI International 1959-1966 Pontiac 389 Single Rocker Arm Kit is easy to install and comes with detailed instructions. The kit also includes all necessary hardware, including bolts, nuts, and locking washers. The kit is backed by SBI International's reputation for quality and is designed to provide years of reliable service.
In conclusion, the SBI International 1959-1966 Pontiac 389 Single Rocker Arm Kit is a must-have upgrade for any classic Pontiac owner looking to improve their engine performance and ease of maintenance. This kit is a high-quality, easy-to-install solution that will provide years of reliable service and improved engine performance.
Pros of buying a Pontiac 389 Single Rocker Arm Kit (SB International 181-1044 RK431):1. Improves engine performance: The kit replaces the original multi-valve rocker arms with single-valve rocker arms, which can improve engine performance by reducing friction and allowing for a more efficient valve operation.
2. Easy to install: The kit is designed for easy installation, and the instructions provided by SB International are clear and easy to follow.
3. Affordable: Compared to other performance upgrades, the cost of the kit is relatively affordable, making it an attractive option for budget-conscious enthusiasts.
4. Increases horsepower: The single-valve rocker arms can help increase horsepower and torque by allowing the valves to open and close more quickly.
Cons of buying a Pontiac 389 Single Rocker Arm Kit (SB International 181-1044 RK431):1. Requires modification: The kit requires modification to the engine to install, and this may not be suitable for all vehicles.
2. May affect fuel economy: The increase in horsepower and torque may result in a decrease in fuel economy, depending on driving habits and vehicle configuration.
3. Not suitable for all applications: The kit may not be suitable for all applications, such as racing or high-performance use, and may not provide the desired performance improvement in these scenarios.
Conclusion:The Pontiac 389 Single Rocker Arm Kit (SB International 181-1044 RK431) is a cost-effective performance upgrade that can improve engine performance by reducing friction and allowing for more efficient valve operation. However, it requires modification to the engine to install and may not be suitable for all vehicles or applications. If you are looking for a budget-friendly performance upgrade for your Pontiac, this kit is worth considering, but be sure to research your vehicle's specific requirements and potential drawbacks before making a purchase.
Recommendation:If you are considering purchasing the Pontiac 389 Single Rocker Arm Kit (SB International 181-1044 RK431), I recommend doing your research to ensure that it is suitable for your vehicle and driving needs. Consult with a knowledgeable mechanic or performance expert to determine if the kit will provide the desired performance improvement and if any modifications are required to install it. Additionally, consider the potential drawbacks, such as reduced fuel economy, and weigh these against the benefits of improved engine performance. Overall, the kit is a worthwhile consideration for budget-conscious enthusiasts looking to upgrade their Pontiac's engine performance.
There are 16 of these in the box.