{"product_id":"eastern-e-612-1-n-nitrate-steel-exhaust-valve-for-harley-davidson-big-twin-1948-1957","title":"Eastern E-612-1-N Nitrate Steel Exhaust Valve for Harley Big Twin 1948-1957","description":"\u003cdiv\u003e\n\u003ch1\u003eEastern E-612-1-N Nitrate Steel Exhaust Valve for Harley Big Twin 1948-1957\u003c\/h1\u003e\n\u003cp\u003e1\/8 inch oversize nitrate steel exhaust valve delivers improved airflow and combustion for Harley-Davidson Big Twin engines built 1948–1957.\u003c\/p\u003e\n\u003cp\u003eConstructed from nitrate steel, this valve enhances heat resistance and durability, helping maintain reliable performance under demanding riding conditions and during restoration projects.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eOriginating from Taiwan, it is designed for straightforward installation with the correct accessory tools, supporting smooth operation and consistent engine timing during maintenance or rebuilds.\u003c\/p\u003e\n\u003cp\u003ePerfect 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.\u003c\/p\u003eNitrate steel exhaust valve is 1\/8 inch oversize for 1948-1985 Big Twin models.\n\u003cp\u003eUpgrade 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.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eMaterial: Nitrate steel for increased durability and heat resistance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOversize Design: 1\/8 inch larger for improved airflow and performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatibility: Fits Harley Davidson FL Big Twin models from 1948 to 1957\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHead Diameter: Approximately 1.865 inches for precise fit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCountry of Origin: Taiwan, ensuring quality manufacturing\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1948\u003cbr\u003e\nHarley Davidson FL 1949\u003cbr\u003e\nHarley Davidson FL 1950\u003cbr\u003e\nHarley Davidson FL 1951\u003cbr\u003e\nHarley Davidson FL 1952\u003cbr\u003e\nHarley Davidson FL 1953\u003cbr\u003e\nHarley Davidson FL 1954\u003cbr\u003e\nHarley Davidson FL 1955\u003cbr\u003e\nHarley Davidson FL 1956\u003cbr\u003e\nHarley Davidson FL 1957\u003cbr\u003e\nHarley Davidson FL 1958\u003cbr\u003e\nHarley Davidson FL 1959\u003cbr\u003e\nHarley Davidson FL 1960\u003cbr\u003e\nHarley Davidson FL 1961\u003cbr\u003e\nHarley Davidson FL 1962\u003cbr\u003e\nHarley Davidson FL 1963\u003cbr\u003e\nHarley Davidson FL 1964\u003cbr\u003e\nHarley Davidson FL 1965\u003cbr\u003e\nHarley Davidson FL 1966\u003cbr\u003e\nHarley Davidson FL 1967\u003cbr\u003e\nHarley Davidson FL 1968\u003cbr\u003e\nHarley Davidson FL 1969\u003cbr\u003e\nHarley Davidson FL 1970\u003cbr\u003e\nHarley Davidson FL 1971\u003cbr\u003e\nHarley Davidson FL 1972\u003cbr\u003e\nHarley Davidson FL 1973\u003cbr\u003e\nHarley Davidson FL 1974\u003cbr\u003e\nHarley Davidson FL 1975\u003cbr\u003e\nHarley Davidson FL 1976\u003cbr\u003e\nHarley Davidson FL 1977\u003cbr\u003e\nHarley Davidson FL 1978\u003cbr\u003e\nHarley Davidson FL 1979\u003cbr\u003e\nHarley Davidson FL 1980\u003cbr\u003e\nHarley Davidson FL 1981\u003cbr\u003e\nHarley Davidson FL 1982\u003cbr\u003e\nHarley Davidson FL 1983\u003cbr\u003e\nHarley Davidson FL 1984\u003cbr\u003e\nHarley Davidson FLT 1979\u003cbr\u003e\nHarley Davidson FLT 1980\u003cbr\u003e\nHarley Davidson FLT 1981\u003cbr\u003e\nHarley Davidson FLT 1982\u003cbr\u003e\nHarley Davidson FLT 1983\u003cbr\u003e\nHarley Davidson FX 1971\u003cbr\u003e\nHarley Davidson FX 1972\u003cbr\u003e\nHarley Davidson FX 1973\u003cbr\u003e\nHarley Davidson FX 1974\u003cbr\u003e\nHarley Davidson FX 1975\u003cbr\u003e\nHarley Davidson FX 1976\u003cbr\u003e\nHarley Davidson FX 1977\u003cbr\u003e\nHarley Davidson FX 1978\u003cbr\u003e\nHarley Davidson FX 1979\u003cbr\u003e\nHarley Davidson FX 1980\u003cbr\u003e\nHarley Davidson FX 1981\u003cbr\u003e\nHarley Davidson FX 1982\u003cbr\u003e\nHarley Davidson FX 1983\u003cbr\u003e\nHarley Davidson FX 1984\u003cbr\u003e\nHarley Davidson FXR 1982\u003cbr\u003e\nHarley Davidson FXR 1983\u003c\/div\u003e","brand":"Eastern","offers":[{"title":"Default Title","offer_id":44643071983658,"sku":"11-0615","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-0615a.jpg?v=1785540089","url":"https:\/\/atticusgoods.com\/products\/eastern-e-612-1-n-nitrate-steel-exhaust-valve-for-harley-davidson-big-twin-1948-1957","provider":"Atticus Goods","version":"1.0","type":"link"}