SKU:17-0577
This OEM replacement 5th gear mainshaft is engineered for Harley-Davidson Big Twin 5-speed chain-drive transmissions, delivering a precise fit and reliable performance on classic models from 1979 to 1984.
Designed to meet or exceed OEM specifications, this mainshaft supports dependable transmission operation and helps extend the life of your Harley’s drivetrain. Whether refurbishing an antique ride or performing routine maintenance, the OE 5th Gear Mainshaft offers a robust, OEM-grade solution tailored to classic Big Twin applications.
OE 5th gear mainshaft fits Big Twin 5-speed chain drive models.Upgrade your Harley Davidson Big Twin 5-speed chain drive motorcycle with the OE 5th Gear Mainshaft, designed for precision fit and durability. Manufactured in the USA, this OEM replacement part ensures compatibility with models from 1979 to 1984, including FLT and FXR series. Constructed from high-quality materials, the mainshaft provides reliable performance to keep your transmission operating smoothly and efficiently. Proper installation of this component is crucial for maintaining optimal gear engagement and overall drivetrain health, making it an essential part for both repairs and restorations.
The OE 5th Gear Mainshaft features a robust design that withstands the rigors of high-mileage riding. It is engineered to meet or exceed OEM specifications, ensuring a perfect fit and long-lasting service life. Whether you're refurbishing an antique motorcycle or performing routine maintenance, this mainshaft offers an excellent solution to keep your transmission functioning at its best. For installation, consider using the recommended accessory tools listed below to facilitate a seamless process and ensure the correct assembly of your transmission components.
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