fits model: 454. make: Chevy.

( Brand: Speedmaster ), ( Manufacturer Part Number: PCE261.1014.01 ), ( Part Type: Roller Aluminum Block Arm ), ( Ipn: Pce261.1158 )
The Speedmaster PCE261.1014.01 Big Block Chevy BBC 454 1.7 7/16 Roller Rocker Arms are a high-performance upgrade for any Big Block Chevy engine. These rocker arms are specifically designed for BBC 454 engines, ensuring a perfect fit and optimal performance.
The arms are made from durable, heat-resistant materials, providing exceptional strength and reliability under heavy engine loads. The 1.7 7/16 inch size of the roller tips allows for smoother valve operation, reducing friction and promoting better engine efficiency.
The roller rocker arms feature a robust roller design, which reduces the amount of force required to open and close the engine valves. This not only reduces wear and tear on the engine components but also improves engine performance by allowing the valves to open and close more quickly.
The 454 in the part number refers to the size of the engine cylinder block, which is a common size for Big Block Chevy engines. The Big Block Chevy BBC (Bore-Bore Centered) design is known for its power and durability, and these rocker arms are specifically designed to maximize the performance potential of this engine type.
In summary, the Speedmaster PCE261.1014.01 Big Block Chevy BBC 454 1.7 7/16 Roller Rocker Arms are a high-quality, performance-enhancing upgrade for any BBC 454 engine. Their durable construction, smooth roller tips, and robust roller design ensure reliable operation and improved engine performance.
Pros of buying Speedmaster PCE261.1014.01 Big Block Chevy BBC 454 1.7 7/16 Roller Rocker Arms:1. Improved engine performance: Roller rocker arms reduce friction and provide better valve control, which can lead to improved engine performance and increased horsepower.
2. Durability: Roller rocker arms are designed to withstand high RPMs and heavy loads, making them a durable option for high-performance applications.
3. Easy installation: Roller rocker arms are typically easy to install, and they can be installed without the need for specialized tools or extensive mechanical knowledge.
4. Compatibility: These rocker arms are specifically designed for Big Block Chevy BBC 454 engines, ensuring a proper fit and function.
Cons of buying Speedmaster PCE261.1014.01 Big Block Chevy BBC 454 1.7 7/16 Roller Rocker Arms:1. Cost: Roller rocker arms can be more expensive than standard flat-tappet rocker arms.
2. Limited aftermarket support: While Speedmaster is a reputable brand, there may be limited aftermarket support for these specific roller rocker arms.
3. Potential noise: Roller rocker arms can sometimes produce a louder noise compared to flat-tappet rocker arms, which may not be desirable for some users.
Conclusion:If you're looking to improve the performance of your Big Block Chevy BBC 454 engine and are willing to pay a premium for durability and reduced friction, the Speedmaster PCE261.1014.01 Big Block Chevy BBC 454 1.7 7/16 Roller Rocker Arms can be a good choice. However, if you're on a budget or are concerned about noise, you may want to consider other options.
Recommendation:If you're looking for roller rocker arms for your Big Block Chevy BBC 454 engine, the Speedmaster PCE261.1014.01 is a solid option. However, I recommend researching the aftermarket support and considering your budget before making a final decision.
The larger needle bearing fulcrum can withstand valve spring loads up to 600lbs, while the extruded body has a tensile strength over 60,000 PSI. Shims Included:No, Self-Aligning:No, Rocker Arm Body Style:Standard, Nut Style:Pollock, Material:Aluminum, Finish:Gold anodized, Quantity:Sold as a set of 16. Ideally suited for use with Solid / Mechanical flat tappet and Hydraulic Roller Cams. Rocker Arm Mounting Style:Stud, Ratio:1.7, Style:Full roller, Stud Size:7/16 in.
Speedmaster Big Block Chevy BBC 454 1.7 Ratio 7/16 Aluminum Roller Rocker Arms, Part # PCE261.1014.01, PCE Rockers are extruded from 6061 T6.