SKU:11-0615
1/8 inch oversize nitrate steel exhaust valve delivers improved airflow and combustion for Harley-Davidson Big Twin engines built 1948–1957.
Constructed from nitrate steel, this valve enhances heat resistance and durability, helping maintain reliable performance under demanding riding conditions and during restoration projects.
The valve features a head diameter of approximately 1.865 inches, providing a precise fit with compatible Harley FL Big Twin cylinder configurations from the late 1940s to the 1950s era.
Originating from Taiwan, it is designed for straightforward installation with the correct accessory tools, supporting smooth operation and consistent engine timing during maintenance or rebuilds.
Perfect for restoration or ongoing maintenance of vintage Harley-Davidson Big Twin engines, the E-612-1-N valve aims to improve airflow, combustion efficiency, and overall throttle response within the specified model years.
Nitrate steel exhaust valve is 1/8 inch oversize for 1948-1985 Big Twin models.Upgrade your Harley Davidson Big Twin engine with the Eastern E-612-1-N nitrate steel exhaust valve, designed specifically for models from 1948 to 1957. Crafted from durable nitrate steel, this exhaust valve provides enhanced heat resistance and longevity, ensuring reliable performance over time. Its 1/8 inch oversize diameter offers improved airflow and combustion efficiency, contributing to better engine power and responsiveness. The high-quality construction and precise manufacturing standards make it a suitable choice for restoring or maintaining vintage Harley Davidson engines. This valve features a head diameter of approximately 1.865 inches, making it compatible with a range of Harley FL models from 1948 through 1957. Easy to install with the correct accessory tools, this component ensures your motorcycle maintains optimal performance and smooth operation.
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