Jims Rocker Arm Shaft 17611-66B for Harley FL (1966–1975)

Jims Rocker Arm Shaft 17611-66B is a USA-made replacement designed specifically for Harley Davidson FL models from 1966 through 1975. Its precise dimensions ensure proper rocker alignment and engine timing, helping restore performance in vintage engines.

• Big-end outer diameter: 0.937 inches
• Small-end diameter: 0.434 inches
• Outer thread pitch: 7/16 inches -20
• Country of origin: USA
• OEM cross reference: 17611-66B
• Part number: 17611-66B
• Designed for Harley Davidson FL 1966–1975

Designed for easy installation, this shaft's exact measurements support compatibility with stock components and a range of OEM and aftermarket parts. Its durable construction and precise sizing help maintain smooth valve-train operation and reliable performance in your vintage Harley engine.

Jims rocker arm shaft has an outer diameter at the big end of.937 inch and the small end of.434 inch.

The Jims Rocker Arm Shaft part #17611-66B is a high-quality replacement component designed specifically for Harley Davidson FL models from 1966 through 1975. Crafted in the USA, this rocker arm shaft features precise measurements to ensure optimal fit and performance. The big end has an outer diameter of 0.937 inches, while the small end measures 0.434 inches, providing the durability and alignment necessary for smooth engine operation. The shaft's outer thread pitch is 7/16 inches -20, making it compatible with a range of OEM and aftermarket parts. Designed for easy installation, this shaft is a reliable choice for restoring or maintaining your vintage Harley engine.

Features:

• Outer Diameter at Big End: 0.937 inches for secure fit and durability

• Small End Diameter: 0.434 inches to match OEM specifications

• Outer Thread Pitch: 7/16 inches -20 for compatibility with stock components

• Country of Origin: USA, ensuring quality craftsmanship

• OEM Cross Reference: 17611-66B for easy identification and replacement

• Suitable for Harley Davidson FL models from 1966 to 1975

• Accessory Items: 14-0148 - Sifton Rocker Arm Seal Set, 40-0203 - Rocker Box Line Kit Chrome, 11-0517 - Rocker Arm Adjuster Kit, 8224-8 - Rocker Shaft End Nut Stock Allen Type Chrome

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