fits model: 400, 455. make: Pontiac.

( Brand: Speedmaster ), ( Manufacturer Part Number: 1-261-015 ), ( Part Type: Roller Aluminum Arm ), ( Fitment: Aftermarket Modifications Needed )
The 1-261-015 Pontiac 326, 400, 455 1.52 7-16 DNA Roller Rocker Arm Set from Speedmaster is an exceptional upgrade for your classic Pontiac engine. This set is specifically designed for engines with a 1.52-inch valve size and 7/16-inch pushrod, making it an ideal choice for 326, 400, and 455 engines.
The DNA Roller Rocker Arms are renowned for their durability and performance. Made from high-quality materials, these rocker arms feature a roller design that reduces friction between the rocker arm and valve tip, thereby reducing wear and tear and improving engine performance. The roller design also allows for smoother valve operation, resulting in improved engine efficiency and power.
The 1.52-inch valve size of these rocker arms matches perfectly with most Pontiac engines, ensuring a seamless installation process. The 7/16-inch pushrod is another standard size in the Pontiac engine family, making this set a versatile choice for a wide range of Pontiac engines.
The DNA Roller Rocker Arms set from Speedmaster is not just about performance, it also prioritizes style. The polished finish of these rocker arms gives your engine a sleek and sophisticated look, enhancing the overall aesthetic of your classic Pontiac.
Installing the DNA Roller Rocker Arm Set is a straightforward process, thanks to the comprehensive installation guide provided by Speedmaster. The guide includes detailed step-by-step instructions, as well as troubleshooting tips to ensure a hassle-free installation.
In conclusion, the 1-261-015 Pontiac 326, 400, 455 1.52 7-16 DNA Roller Rocker Arm Set from Speedmaster is an excellent choice for anyone looking to upgrade their Pontiac engine. Its durability, performance, and stylish finish make it a worthy investment for any classic Pontiac enthusiast.
Pros of buying a 1-261-015 Pontiac 326 400 455 1.52 7-16 DNA Roller Rocker Arms Set Speedmaster:1. High-quality materials: This set is made of high-quality materials, such as forged steel, that can withstand the high temperatures and pressures of an engine, ensuring a long-lasting performance.
2. Compatibility: The 1-261-015 set is compatible with various Pontiac engines, including 326, 400, and 455, making it a versatile option for Pontiac owners.
3. Improved engine performance: The roller rocker arms can help improve engine performance by reducing friction and providing a smoother valve operation, resulting in better fuel efficiency and increased horsepower.
4. Easy installation: The DNA Roller Rocker Arms Set comes with detailed instructions and installation videos, making the process easy for DIY enthusiasts or for professionals to install.
Cons of buying a 1-261-015 Pontiac 326 400 455 1.52 7-16 DNA Roller Rocker Arms Set Speedmaster:1. Cost: The roller rocker arms set is more expensive than conventional flat tappet rocker arms, which may be a drawback for budget-conscious car owners.
2. Compatibility limitations: While the set is compatible with various Pontiac engines, it may not be suitable for all models or years, so it's essential to confirm compatibility before purchasing.
3. Potential for noise: Roller rocker arms can sometimes produce a slight ticking noise, which may be annoying to some drivers.
Conclusion:The 1-261-015 Pontiac 326 400 455 1.52 7-16 DNA Roller Rocker Arms Set Speedmaster is a high-quality option for Pontiac owners looking to improve their engine performance and reduce friction. It is compatible with various Pontiac engines, easy to install, and can lead to improved fuel efficiency and increased horsepower. However, the set's high cost and potential for noise may be a drawback for some car owners. It's essential to weigh the pros and cons and determine whether the set is a worthwhile investment for your specific car and driving needs.
Recommendation:If you are a Pontiac owner looking to improve engine performance and are willing to invest in a high-quality set, the 1-261-015 Pontiac 326 400 455 1.52 7-16 DNA Roller Rocker Arms Set Speedmaster is a recommended option. Make sure to confirm compatibility with your specific Pontiac engine before purchasing, and be prepared for the potential noise that may come with roller rocker arms.
Crafted from certified aircraft-quality, heat-treated aluminum.
While all care is taken, any errors or omissions in the item details unintentional. Warranty is 12 months unless stated otherwise in the ad.
Actual product may vary from the pictures provided. Shims included:n self-aligning:n rocker arm body style:standard rocker nut style: material:aluminum rocker finish:black anodized quantity:sold as a set of 16.
52 rocker arm style:full roller stud size:7 16 in. Finally, they're black anodized you'll want to leave your valve covers off.
Dna rocker arms also utilize oversized needle roller bearings for better load distribution and longer service life.
All pictures displayed in our offers are for illustration purposes only.
They're matched to massive, precision-ground grunions for superior durability, and optimized rocker arm geometry evenly distributes the load maximum strength. Speedmaster aluminum stud-mount rockers can withstand valve spring loads up to 360ibs, the extruded body has a tensile strength of over 60,000 psi.
Specs brand:Speedmaster part number:1-261-015part type:rocker arms rocker arm mounting style:stud rocker ratio:1.