James Cylinder Base Gasket Set (.020" Thick) for Harley-Davidson FL (1966–1975)

This James metal cylinder base gasket set is.020 inch thick and designed specifically for Harley-Davidson FL models from 1966 to 1975, delivering a precise seal to maintain engine compression and prevent leaks during operation.

• Includes two gaskets (sold as a pair) for complete engine sealing.
• Made in the USA and engineered to meet or exceed OEM standards.
• OEM cross reference: 16777-66SX ensures compatibility with Harley-Davidson parts catalogs.
• Part number: JGI-16777-66-SX.
• Fitment covers Harley-Davidson FL models 1966–1975; additional notes list compatibility with related FL, FLT, FX, and FXR variants through later years.
• Includes accessory tools: Mini Motorcycle Lift Tool, Oil Filter Wrench Tool, and Oil Drain Reservoir Tool.
• Designed for use in rebuilds or routine maintenance to support reliable engine operation.

Designed to complement a thoughtful restoration or ongoing maintenance schedule, this gasket set provides a precise seal between the cylinder and base plate to support extended service life and reliable engine operation.

James metal cylinder base gasket.020 inch thick

This James Cylinder Base Gasket Set is designed specifically for Harley Davidson FL models from 1966 to 1975, ensuring a precise fit for your vintage motorcycle. Crafted in the USA, this set provides reliable sealing performance, helping maintain optimal engine compression and prevent leaks during operation. The set includes two gaskets, sold as a pair, and is compatible with OEM part number 16777-66SX, making it an ideal replacement for restored or maintained Harley Davidson engines. Each gasket is engineered to meet or exceed OEM standards, offering durability and longevity for your motorcycle's engine components. Proper sealing is critical for engine efficiency, and these gaskets are engineered to provide a perfect fit for extended service life. Whether you're performing a rebuild or routine maintenance, this gasket set ensures your Harley Davidson FL runs smoothly and reliably.

Features:

• Sold as a pair for complete engine sealing

• Designed for Harley Davidson FL models from 1966 to 1975

• Made in the USA for quality assurance

• OEM Cross Reference: 16777-66SX ensures compatibility

• Includes accessory items: Mini Motorcycle Lift Tool, Oil Filter Wrench Tool, Oil Drain Reservoir Tool

Fitment
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 FLT 1979
Harley Davidson FLT 1980
Harley Davidson FLT 1981
Harley Davidson FLT 1982
Harley Davidson FLT 1983
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 FXR 1982
Harley Davidson FXR 1983