Motorshop 74 Inch Overhead Valve Piston Set,.030 Oversize for Harley FL (1941–1950)
This 3-7/16 inch bore piston set delivers a 7.5:1 compression ratio and is.030 oversize, designed for precise fit in Harley-Davidson FL engines from 1941 to 1950.
- Piston diameter: 3-7/16 inch
- Oversize:.030 inch
- Compression ratio: 7.5:1
- Material: forged aluminum
- Country of origin: Taiwan
- Included: piston rings set, 2 wrist pins, 4 circlips
- Steel expansion control strut set
The kit is crafted in Taiwan to meet OEM standards and includes a complete piston set with all components required for installation, targeting durable performance in vintage Harley engines.
Fitment: Harley Davidson FL, 1941–1950.
Installation tip: Proper installation and break-in are essential; run the engine at moderate speeds for at least 500 miles and avoid excessive running in lower gears to ensure pistons and rings seat correctly for optimal performance.
3-7/16 inch bore piston set has a 7.5:1 compression ratio and is.030 oversize. 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 is designed specifically for Harley Davidson FL models from 1941 to 1950, offering reliable performance and precision fit. Crafted in Taiwan, this kit includes high-quality pistons engineered to meet or exceed OEM standards, ensuring durability and optimal engine operation. The pistons feature a 3-7/16 inch diameter, making them ideal for restoring vintage Harley engines with improved performance and longevity. Proper installation and break-in are essential; it is recommended to run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to ensure the pistons and rings seat correctly and achieve optimal performance.
Features:
- Piston Diameter: 3-7/16 inch for precise fit in Harley Davidson FL engines
- Oversize:.030 inch to accommodate bore expansion or wear
- Material: High-quality forged aluminum for strength and durability
- Country of Origin: Taiwan ensuring quality manufacturing standards
- Included: Complete piston set with necessary components for installation
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
