Helicoil R1185-5 Thread Insert for Harley Davidson Big Twin Transmission Covers (5/16-18 x.469)
Restore damaged threads in Harley Davidson Big Twin transmission covers with the Helicoil R1185-5 thread insert set. This package includes 12 locking inserts designed for a secure, durable repair on 5/16-18 threads, each insert measuring.469 inches in length.
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Thread size: 5/16 inch x 18
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Length: 0.469 inches
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Locking insert: yes, provides secure thread repair
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Material: steel for longevity
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Includes: 12 inserts
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Drill size: 21/64 inch
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Made in: USA
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Fitment: Harley Davidson EL (1936–1948); FL (1941–1984); FX (1971–1984); UL (1937–1948)
Designed specifically for Harley Davidson Big Twin transmission covers, these inserts provide a reliable solution for restoring stripped or damaged threads in vintage and classic models. Whether you’re a professional mechanic or a motorcycle enthusiast restoring an antique Harley, the R1185-5 offers a precise, durable repair path that helps maintain the integrity of the transmission assembly.
Heli-Coil thread inserts only for Big Twin transmission cover with locking insert and thread size of 5/16 inch x 18 and length of.469 inch. Includes 12 inserts drill size of 21/64.
The Helicoil R1185-5 thread insert is specifically designed for Harley Davidson Big Twin transmission covers, ensuring secure and durable repairs. Crafted in the USA, these inserts feature a locking mechanism and are engineered with a thread size of 5/16 inch x 18, providing a reliable fit for vintage and classic Harley models. Each package includes 12 inserts with a length of approximately 0.469 inches, suitable for restoring stripped or damaged threads in Harley Davidson transmissions. The inserts are compatible with transmission covers from 1936 through 1945, including models like the EL and FL series, making them a versatile choice for restoration and maintenance projects. The drill size required for installation is 21/64 inch, simplifying the process and ensuring a proper fit for your repair needs. Designed for precision and longevity, these thread inserts help maintain the integrity of your transmission assembly, preventing future issues caused by worn or damaged threads. They are ideal for use by professional mechanics and motorcycle enthusiasts who demand quality and reliability in their repair parts. Whether you're restoring an antique Harley or performing maintenance on a vintage model, these Helicoil inserts provide a dependable solution for durable thread repair in transmission covers.
Features:
- Thread Size: 5/16 inch x 18, ensuring compatibility with Harley Davidson Big Twin transmission covers
- Locking Insert: Provides secure and reliable thread repair for extended durability
- Material: High-quality steel designed for long-lasting performance
- Includes 12 Inserts: Adequate quantity for multiple repairs or replacements
- Drill Size: 21/64 inch, facilitating straightforward installation
Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940
Harley Davidson FL 1941
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
Harley Davidson FL 1948
Harley Davidson FL 1949
Harley Davidson FL 1950
Harley Davidson FL 1951
Harley Davidson FL 1952
Harley Davidson FL 1953
Harley Davidson FL 1954
Harley Davidson FL 1955
Harley Davidson FL 1956
Harley Davidson FL 1957
Harley Davidson FL 1958
Harley Davidson FL 1959
Harley Davidson FL 1960
Harley Davidson FL 1961
Harley Davidson FL 1962
Harley Davidson FL 1963
Harley Davidson FL 1964
Harley Davidson FL 1965
Harley Davidson FL 1966
Harley Davidson FL 1967
Harley Davidson FL 1968
Harley Davidson FL 1969
Harley Davidson FL 1970
Harley Davidson FL 1971
Harley Davidson FL 1972
Harley Davidson FL 1973
Harley Davidson FL 1974
Harley Davidson FL 1975
Harley Davidson FL 1976
Harley Davidson FL 1977
Harley Davidson FL 1978
Harley Davidson FL 1979
Harley Davidson FL 1980
Harley Davidson FL 1981
Harley Davidson FL 1982
Harley Davidson FL 1983
Harley Davidson FL 1984
Harley Davidson FX 1971
Harley Davidson FX 1972
Harley Davidson FX 1973
Harley Davidson FX 1974
Harley Davidson FX 1975
Harley Davidson FX 1976
Harley Davidson FX 1977
Harley Davidson FX 1978
Harley Davidson FX 1979
Harley Davidson FX 1980
Harley Davidson FX 1981
Harley Davidson FX 1982
Harley Davidson FX 1983
Harley Davidson FX 1984
Harley Davidson UL 1937
Harley Davidson UL 1938
Harley Davidson UL 1939
Harley Davidson UL 1940
Harley Davidson UL 1941
Harley Davidson UL 1942
Harley Davidson UL 1943
Harley Davidson UL 1944
Harley Davidson UL 1945
Harley Davidson UL 1946
Harley Davidson UL 1947
Harley Davidson UL 1948
