Manley Performance Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8)

Description

Upgrade your high-performance gasoline engine with the Manley Performance LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves. Manufactured from advanced XH-428 material, these exhaust valves are engineered to withstand extreme stresses and high temperatures, ensuring lasting durability and superior performance. Designed specifically for demanding racing and high-performance applications, these valves are tested to endure over 100 million cycles under rigorous fatigue conditions, vastly outperforming competing products. Their proven fatigue life guarantees reliability even in the most intense engine environments. The valves feature chrome stems and hard tips, which contribute to enhanced longevity and resistance to wear. The swirl-polished under-head areas and fully machined combustion faces optimize airflow and combustion efficiency, leading to improved power output and fuel economy. The XH-428 material used for the exhaust valves offers nearly double the ultimate tensile strength at 1500°F compared to standard options, ensuring the valves maintain integrity under extreme heat and stress. These valves are precisely engineered for high-temperature gasoline engines, making them ideal for racing, performance builds, or any application requiring maximum strength and durability. The set includes 8 valves, specifically designed to fit LS-7 small block engines, and is built to meet the demanding standards of professional engine builders. Trust Manley’s commitment to excellence and industry-leading materials to elevate your engine’s performance and reliability.

Features:

• Material: XH-428 for exhaust valves provides exceptional strength and durability at high temperatures

• Fatigue Resistance: Endures up to 100 million cycles under extreme stress, outperforming competitors by 1000 times

• Design: Chrome stems and hard tips for enhanced wear resistance and longevity

• Optimized Combustion: Swirl polished under-head areas and fully machined combustion faces improve airflow and efficiency

• Temperature Tolerance: Engineered to withstand temperatures up to 1500°F for demanding engine applications