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The V-Twin 51-0525 Neck Frame Forging with Key Hole is a forged steel replacement component for Harley-Davidson FL models from 1948 through 1957. It is designed for applications requiring a neck frame forging with a key hole.
The forging process uses multiple stages to compact and orient the steel grain structure into the component’s shape. The part is then machined and heat treated to provide increased strength and resistance to wear. The manufacturer suggests using this forging with the #37-9021 neck lock tumbler.
This V-Twin neck frame forging fits 1948–1957 Harley-Davidson FL models, including the 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956 and 1957 FL. SKU 51-0525 identifies this product.
Features:
- Forged Construction: Manufactured through a multi-stage forging process that compacts and orients the steel grain structure.
- Machined and Heat Treated: Machining and heat treatment provide increased strength and resistance to wear.
- Key Hole Design: Neck frame forging features a key hole.
- Suggested Component: Suggested for use with the #37-9021 neck lock tumbler.
- Fitment: Fits 1948–1957 Harley-Davidson FL models.
Fitment:
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
| UOM: EA |
| Country Of Origin: TAIWAN |
| Accessory Items: 51-0068 - Rigid Frame Forging Hallmark Plate 51-0708 - Neck Frame Forging With Hallmarks 51-1321 - Front Engine Mount Forging 51-0071 - 1948-1957 Neck Hallmark Number Plate Set |
| Tech Notes: Suggested to use with #37-9021 neck lock tumbler. |
