Sifton 4-Speed Transmission Mainshaft Kit for Harley FL 1941–1950
2025 New Production 4-speed Sifton transmission mainshaft kit, designed to upgrade or replace your Harley Davidson FL transmission mainshaft for models from 1941 to 1950.
This comprehensive kit includes an 11-3/4 inch transmission mainshaft, ball bearing, ratchet gear, nut, and lock tab for a complete installation and precise rebuild.
Crafted in Taiwan with quality materials for durability and longevity.
The overall length of the mainshaft is approximately 11-11/16 inches, making it a suitable replacement for original parts and compatible with Harley Davidson FL models within the specified years.
- Includes: 11-3/4 inch transmission mainshaft, ball bearing, ratchet gear, nut, and lock tab
- Designed for Harley Davidson FL models from 1941 to 1950
- Constructed in Taiwan for durability
- Overall mainshaft length: approximately 11-11/16 inches
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 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
Product Type: Transmission • Vendor: Sifton
2025 New Production 4-speed Sifton transmission mainshaft kit.
Upgrade or replace your Harley Davidson FL transmission mainshaft with the Sifton 4-Speed Transmission Mainshaft Kit, designed to fit models from 1941 to 1950. This comprehensive kit includes an 11-3/4 inch transmission mainshaft, ball bearing, ratchet gear, nut, and lock tab, providing all essential components for a reliable and precise transmission rebuild or repair. Crafted in Taiwan, the kit ensures quality construction and durability for vintage Harley Davidson motorcycles. The overall length of the mainshaft is approximately 11-11/16 inches, making it a suitable replacement for original parts and compatible with a range of Harley Davidson FL models from the specified years.
Features:
- Includes: 11-3/4 inch transmission mainshaft, ball bearing, ratchet gear, nut, and lock tab for complete installation
- Designed for Harley Davidson FL models from 1941 to 1950, ensuring proper fit and performance
- Constructed in Taiwan with quality materials for durability and longevity
- Comprehensive kit simplifies transmission maintenance and rebuild processes
- Suggested items include related components for a full transmission overhaul
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 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
