fits model: 500.

( Brand: Manley ), ( Manufacturer Part Number: 11861-1 ), ( Part Type: Valve Exhaust )
The Manley 11861-1 Exhaust Valve R/M 1.500 is a high-performance exhaust valve specifically designed for racing and high-performance applications. This valve is engineered to deliver superior durability, reliability, and performance compared to OEM (original equipment manufacturer) exhaust valves.
The valve body is made from heat-treated, forged steel for superior strength and longevity. Each valve seat is precision machined from hardened stainless steel, ensuring a perfect seal and long-lasting sealing surface. The valve stem is made from carbon steel, finished with a hard chromed coating to provide effective resistance against corrosion and wear.
The Manley 11861-1 Exhaust Valve R/M 1.500 is designed to meet the rigorous demands of high-performance applications. It features a 1.500 inch (38.1mm) diameter, allowing for optimal exhaust gas flow and increased engine efficiency. The valve is also equipped with a titanium valve spring and retainer to reduce the overall weight of the valvetrain and enhance valve response.
This exhaust valve is designed to provide superior heat resistance, ensuring peak performance and reliability even under extreme conditions. The valve material is selected for its excellent throttle response, durability, and resistance to tacky deposits, allowing it to perform consistently throughout the engine's RPM range.
Manley's dedication to precision manufacturing and quality control processes ensures that each Manley 11861-1 Exhaust Valve R/M 1.500 meets the highest standards of performance and reliability. This exhaust valve is recommended for high-performance and racing applications where superior engine efficiency, durability, and performance are essential.
Installing the Manley 11861-1 Exhaust Valve R/M 1.500 involves replacing your original equipment manufacturer exhaust valve with this high-performance aftermarket alternative. It is important to ensure that the engine is cooled and disassembled according to the instructions provided in your vehicle's service manual or the Manley Valve catalog to avoid any potential damage during the installation process. We recommend using appropriate tools and following proper safety procedures to ensure a successful installation and optimal performance.
In summary, the Manley 11861-1 Exhaust Valve R/M 1.500 is a high-performance exhaust valve designed to deliver superior durability, reliability, and performance in racing and high-performance applications. With its precise manufacturing, heat-treated material, and optimal exhaust gas flow, this exhaust valve provides excellent engine efficiency, improved throttle response, and consistent performance throughout the RPM range.
The Manley 11861-1 Exhaust Valve is a high-performance aftermarket part designed for racing applications. It is a 1.500 inches exhaust valve, suitable for various high-performance engines used in motorsports.
II. Pros of Manley 11861-1 Exhaust Valve1. Durability: Manley Valves are well-known for their durability and robustness. This exhaust valve is made from high-quality steel and undergoes a rigorous manufacturing process that ensures longevity.
2. Increased Performance: The Manley 11861-1 Exhaust Valve provides improved flow rates, which can significantly enhance engine performance. It allows more exhaust gases to exit the combustion chamber, reducing back pressure and boosting power.
3. Precise Fit and Finish: Manley Valves are designed to ensure a perfect fit every time. This exhaust valve comes with micro-polished seats and stems, allowing for a seamless installation and optimal sealing.
III. Cons of Manley 11861-1 Exhaust Valve1. Cost: Manley Valves can be quite expensive compared to stock exhaust valves or other aftermarket options. Given its high performance capabilities, the price point might not be accessible for all enthusiasts.
2. May Require Professional Installation: Installing high-performance exhaust valves like the Manley 11861-1 can be a complex task, often requiring professional assistance to ensure optimal performance and safety.
3. Not Suitable for Stock Engines: The Manley 11861-1 Exhaust Valve is primarily designed for high-performance racing applications. Installing it on stock engines might result in unnecessary expense and potential performance issues.
IV. ConclusionWhen evaluating the Manley 11861-1 Exhaust Valve, it is crucial to weigh its advantages and disadvantages based on your specific application and budget. If you're serious about performance in racing applications or seeking high-end upgrades, the Manley 11861-1 Exhaust Valve offers durability, increased flow rates, and precise fitment. However, it comes at a significant cost and may require professional installation, making it an investment for dedicated enthusiasts.
V. RecommendationDetermine the specific requirements of your engine and application before purchasing the Manley 11861-1 Exhaust Valve. For high-performance racing applications, the Manley valve might be the best option for optimal power gains and durability. For less demanding applications or for those working on a limited budget, researching and considering other aftermarket exhaust valve options may be more suitable. Always consult a professional mechanic or performance expert for personalized guidance and recommendations.
MPN: 11861-1. Brand: Manley. Manley Valve - Exhaust, Valve-SBC R/M 1.500 Manley?Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers ultimate choice for engines operating under 8000 RPM. Items must be New, Unused, Not Installed, in the Original Packaging and able to resold.
Domestic Shipping: The shipping cost on this listing or the Free Shipping is for lower 48 States. Condition: New.