
( Brand: Manley Performance ), ( Manufacturer Part Number: 11679-8 ), ( Type: Engine Components ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( Authorized Dealer: Yes ), ( Height: 2.400 ), ( Legal Disclaimer: Your Local Laws Before Purchasing ), ( Photo Disclaimer: For Reference Only, See Item Details ), ( UPC: 807298062808 )
The Manley Performance 11679-8 Severe Duty Valves are a high-performance solution for those seeking reliable and durable valve components for their automotive or racing applications. These valves are specifically designed to withstand the rigors of severe duty use, making them an excellent choice for high-performance engines, race cars, and other applications where extreme conditions are common.
The Manley Performance 11679-8 Severe Duty Valves are made from premium materials, including hardened stainless steel stems and seats, and nickel-plated valve bodies. This construction provides superior strength and durability, ensuring that the valves can withstand the high temperatures, pressures, and other challenging conditions that are common in high-performance applications.
Each valve features a precise, controlled radius design for improved flow and reduced turbulence. The valve seats are made from Manley's proprietary T316L stainless steel, providing excellent durability and resistance to wear and corrosion. The valve stems are made from hardened 4340 chromoly steel, ensuring that they can withstand the high temperatures and pressures that are common in high-performance engines.
The Manley Performance 11679-8 Severe Duty Valves are available in a range of sizes to accommodate various engine applications. Each valve is meticulously inspected and tested to ensure that it meets the highest standards of quality and performance. The valves are also available in both intake and exhaust configurations, with or without springs, to provide maximum flexibility for different engine designs.
In summary, the Manley Performance 11679-8 Severe Duty Valves are a premium solution for those seeking reliable and durable valve components for their high-performance engines or race cars. Their precise design, premium materials, and rigorous testing make them an excellent choice for those who demand the best in performance and durability.
Manley Performance 11679-8 Severe Duty Valves are high-performance aftermarket valves designed to enhance the durability and efficiency of your engine. These valves are popular among engine builders and performance enthusiasts due to their superior materials and design. In this analysis, we will discuss the key advantages and disadvantages of investing in Manley Performance 11679-8 Severe Duty Valves.
Pros:1. Enhanced Durability: Manley Performance Severe Duty Valves are made from high-quality materials, such as stainless steel or titanium, which provide superior strength and resistance to wear and tear.
2. Improved Performance: These valves offer increased flow capacity, reducing restriction and improving engine breathing. This results in better combustion efficiency, increased power output, and smoother engine operation.
3. Customizable Options: Manley Performance offers various valve sizes, spring rates, and other customizable options to cater to different engine applications and performance goals.
4. Precision Engineering: Manley Performance utilizes advanced manufacturing processes, such as CNC machining and heat treatment, to ensure precise valve dimensions and excellent fitment in the engine.
5. Warranty Coverage: Manley Performance provides a comprehensive warranty on their valves, offering peace of mind and protection against defects.
Cons:1. Cost: Manley Performance Severe Duty Valves are typically more expensive than stock or aftermarket OEM valves due to their high-performance materials and manufacturing processes.
2. Installation Complexity: Installing aftermarket valves can be a more intricate process than replacing stock valves, requiring specialized tools and knowledge.
3. Potential Clearance Issues: Depending on the engine and valvetrain configuration, clearance issues may arise when installing aftermarket valves. Careful measurement and adjustment are necessary to ensure proper clearance and function.
Conclusion:Manley Performance 11679-8 Severe Duty Valves offer several advantages, such as enhanced durability, improved performance, customizable options, precision engineering, and warranty coverage. However, they also come with potential disadvantages, including a higher cost, installation complexity, and potential clearance issues. Ultimately, the decision to invest in Manley Performance Severe Duty Valves depends on your engine goals, budget, and technical expertise.
Recommendation:For engine builders and performance enthusiasts seeking the ultimate in valve durability and performance, Manley Performance 11679-8 Severe Duty Valves are an excellent investment. Their high-quality materials, advanced manufacturing processes, and customizable options make them an ideal choice for those who demand the best from their engines. However, it is important to carefully consider the potential installation complexities and costs before making a purchase. If you possess the necessary skills, resources, and budget, Manley Performance Severe Duty Valves are a worthwhile investment for your engine upgrade project.
Manley Replacement Exhaust Valves, tested at 40,000 psi and 1400. F, impressively endured up to 100,000,000 one hundred million cycles. Photos are for reference only. When valves bounce on the seat, this stress soars to 40,000 60,000 lbs. Proven Fatigue Tests: The Severe Duty.
Actual product may differ from the item shown in photograph. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a staggering 1000 times better fatigue life. Designed for High Temperature Gasoline Engines: Engineered superior Performance in high-temperature gasoline engines.Chrome Stems and Hard Tips: Incorporating chrome stems hard tips enhanced durability longevity.Optimized Combustion: Swirl polished under head areas fully machined combustion faces improved movement of air efficiency.XH-428 Exhaust: No competitor worldwide offers the exceptional XH-428 as Replacement Exhaust Valve material. Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress.