Motorshop 74 Inch OHV Piston Set for Harley FL 11-2771
74 Inch OHV piston set designed to restore performance on vintage Harley-Davidson FL models from 1941 to 1950. The bore is approximately 3.438 inches, a standard size, and a 7.5:1 compression ratio supports reliable compression and familiar torque characteristics for a classic ride.
- Part Number: 11-2771
- Includes piston rings set, 2 wrist pins, and 4 circlips
- Pistons feature a steel expansion control strut set
- Bore size: approximately 3.438 inches
- Compression ratio: 7.5:1
- Engine type: Overhead Valve (OHV)
- Fitment: Harley-Davidson FL models 1941–1977
- FX compatibility: Harley-Davidson FX models 1971–1977
- Made in Taiwan
- Break-in guidance: run the engine at moderate speeds for at least 500 miles and avoid excessive low-gear operation to ensure proper seating of pistons and rings
- Compatible accessories: piston rings, wrist pins, and locks; ring compressors and connecting rod tools are recommended for installation
This piston set is tailored for enthusiasts restoring vintage Harley FL motorcycles, delivering a direct-fit rebuild path with the components necessary for a complete engine refresh and reliable, enduring performance.
3-7/16 inch bore piston set has a 7.5:1 compression ratio and is standard size. Piston set includes piston rings set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut set.
The Motorshop 74 Inch Overhead Valve Piston Set (Part Number 11-2771) is designed to restore performance to vintage Harley Davidson FL models from 1941 to 1950. Crafted in Taiwan, this piston kit features a bore size of approximately 3.438 inches, ensuring precise fit and optimal engine operation. It is an essential component for rebuilding or upgrading your classic motorcycle's engine, providing reliable performance and durability. Proper break-in is critical; run the engine at moderate speeds for at least 500 miles, avoiding excessive low gear operation to ensure the new pistons and rings seat correctly and achieve maximum longevity. This kit is compatible with various related components, such as piston rings, wrist pins, and locks, which are recommended for use alongside this piston set to ensure comprehensive engine rebuilds. Additionally, the kit includes or is compatible with essential accessory tools like ring compressors and connecting rod clamps, facilitating a smooth installation process. This piston set is ideal for enthusiasts restoring vintage Harley Davidson FL motorcycles, offering a perfect balance of quality, compatibility, and performance for a classic ride.
Features:
- Bore size: approximately 3.438 inches for precise fit
- Compatible with Harley Davidson FL models from 1941 to 1950
- Includes piston set designed for overhead valve engines
- Requires running engine at moderate speeds for 500 miles for proper break-in
- Made in Taiwan with quality manufacturing standards
- Suggested items for complete rebuild: piston rings, wrist pins, and locks
- Accessory items include ring compressor and connecting rod tools
Fitment:
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 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
