V-Twin Connecting Rod Assembly for Harley FL/FX 1974–1981 — Part No. 39904

The V-Twin 39904 Connecting Rod Assembly is built for vintage Harley Davidson engines from 1974 through 1981, covering FL and FX models. This kit ships with new rods, crank pin nuts, copper-plated steel cages, and standard rollers, all fitted and assembled for a comprehensive engine overhaul.

• Rod length: 7.437 inches
• Piston pin bushings: installed and honed for stock wrist pin fitment
• Country of origin: Japan
• OEM cross reference: 24281-74A
• Included accessory tools: 16-0029 - Connecting Rod Clamping Tool, 16-0075 - Wrist Pin Ring Tool, 16-1757 - Piston Pin Lock Tool
• Fitment: Harley Davidson FL (1974–1981); Harley Davidson FX (1974–1981)

This assembly is crafted to support reliable operation during classic engine rebuilds, ensuring compatibility with stock wrist pins and original specifications through its honed bushings and precise assembly. OEM cross reference and Japanese manufacturing standards back its suitability for restoring authentic performance on vintage Harley engines.

Includes new rods crank pin nuts copper plated steel cages and standard rollers fitted and assembled.

The V-Twin Part No. 39904 Connecting Rod Assembly is designed specifically for vintage Harley Davidson models from 1974 to 1981, including FL and FX series. This assembly features precision-installed and honed piston pin bushings, ensuring optimal fit and performance for stock wrist pins. Crafted with high-quality components from Japan, it guarantees durability and reliable operation for your classic motorcycle engine rebuilds. The kit includes all necessary parts for a comprehensive overhaul, making it an essential upgrade for restoring or maintaining your Harley Davidson engine.

Features:

• Piston Pin Bushings: Installed and honed for stock wrist pin fitment, ensuring precise alignment and smooth operation.

• Rod Length: 7.437 inches, providing the correct dimensions for compatible Harley Davidson models.

• Country of Origin: Japan, signifying quality manufacturing standards.

• OEM Cross Reference: 24281-74A, ensuring compatibility with original equipment specifications.

• Accessory Items: 16-0029 - Connecting Rod Clamping Tool, 16-0075 - Wrist Pin Ring Tool, 16-1757 - Piston Pin Lock Tool, for comprehensive assembly and installation support.

Fitment:
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 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