V-Twin Zinc Fork Tube Plug Set — Non-Vented for Harley FX/FLST (1977–1987)

Zinc-plated, non-vented fork tube plugs deliver a secure seal for Harley-Davidson front suspension on FX and FLST models built between 1977 and 1987. Designed for adjustable glide forks, this two‑piece set provides a durable, corrosion‑resistant seal that helps keep dirt and debris out of the fork tubes.

Made in Taiwan to OEM standards, the plugs are non-vented and require separate purchase of O-rings for proper installation. For best fit and performance, pair with V-Twin’s #14-0523 Fork Plug O‑Ring. The set includes two plugs, one for each side of the front fork, and they’re designed to maintain your bike’s handling and ride quality.

OEM Cross Reference: 45777-77. This product is intended for Harley Davidson FLST and FX models within the specified years and is compatible with other V-Twin accessories, such as the Black Adjustable Triple Tree Set, to complete a front-end upgrade.

• Material: Zinc plating for durability and corrosion resistance
• Design: Non-vented fork tube plugs
• Compatibility: 1977–1987 Harley Davidson FX and FLST models
• Included: Set of two fork plugs (one for each side)
• OEM Cross Reference: 45777-77
• Country of Origin: Taiwan
• Accessory Notes: O-rings sold separately; recommended to use with V-Twin #14-0523 Fork Plug O-Ring

Fork tube plug set is zinc non-vented type.

Upgrade your motorcycle's front suspension with the V-Twin Zinc Fork Tube Plug Set, designed specifically for Harley Davidson models from 1977 to 1987. These high-quality, non-vented plugs are crafted to fit adjustable glide forks, ensuring a secure and reliable seal for your fork tubes. Made in Taiwan, these plugs are engineered to meet OEM standards, providing peace of mind and compatibility with your existing components. Please note that the plugs are non-vented and require separate purchase of O-rings for proper installation. It is recommended to use with V-Twin's #14-0523 Fork Plug O-Ring to ensure a proper fit and optimal performance. The set includes two zinc-plated plugs that are resistant to corrosion, maintaining their integrity even in harsh riding conditions. Whether you're performing routine maintenance or restoring your motorcycle, these fork tube plugs will help keep dirt and debris out of your fork assembly, extending the lifespan of your suspension components. The set pairs well with other V-Twin accessories, such as the Black Adjustable Triple Tree Set, for a comprehensive upgrade to your Harley Davidson's front end. Installation is straightforward, and these plugs are designed to provide a snug, secure fit that maintains your bike's handling characteristics. Enhance your ride’s safety and performance with these durable, OEM-compatible fork tube plugs from V-Twin, built to withstand the demands of Harley Davidson touring and cruiser models. Ensure your front suspension remains sealed and protected with this essential maintenance component, backed by quality manufacturing and attention to detail.

Features:

• Material: Zinc plating for durability and corrosion resistance

• Design: Non-vented fork tube plugs for a secure seal

• Compatibility: Fits 1977-1987 Harley Davidson FX and FLST models

• Included: Set of two fork plugs for both sides of the front fork

• OEM Cross Reference: 45777-77 for compatibility assurance

• Country of Origin: Taiwan, ensuring quality manufacturing

• Accessory Items: Includes recommendations for compatible O-rings and triple tree set

Fitment:
Harley Davidson FLST 1986
Harley Davidson FLST 1987
Harley Davidson FLST 1988
Harley Davidson FLST 1989
Harley Davidson FLST 1990
Harley Davidson FLST 1991
Harley Davidson FLST 1992
Harley Davidson FLST 1993
Harley Davidson FLST 1994
Harley Davidson FLST 1995
Harley Davidson FLST 1996
Harley Davidson FLST 1997
Harley Davidson FLST 1998
Harley Davidson FLST 1999
Harley Davidson FLST 2000
Harley Davidson FLST 2001
Harley Davidson FLST 2002
Harley Davidson FLST 2003
Harley Davidson FLST 2004
Harley Davidson FLST 2005
Harley Davidson FLST 2006
Harley Davidson FLST 2007
Harley Davidson FLST 2008
Harley Davidson FLST 2009
Harley Davidson FLST 2010
Harley Davidson FLST 2011
Harley Davidson FLST 2012
Harley Davidson FLST 2013
Harley Davidson FLST 2014
Harley Davidson FLST 2015
Harley Davidson FLST 2016
Harley Davidson FLST 2017
Harley Davidson FLST 2018
Harley Davidson FLST 2019
Harley Davidson FLST 2020
Harley Davidson FLST 2021
Harley Davidson FLST 2022
Harley Davidson FLST 2023
Harley Davidson FLST 2024
Harley Davidson FLST 2025
Harley Davidson FLST 2026
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 FX 1985
Harley Davidson FX 1986
Harley Davidson FXST 1984
Harley Davidson FXST 1985
Harley Davidson FXST 1986
Harley Davidson FXST 1987
Harley Davidson FXST 1988
Harley Davidson FXST 1989
Harley Davidson FXST 1990
Harley Davidson FXST 1991
Harley Davidson FXST 1992
Harley Davidson FXST 1993
Harley Davidson FXST 1994
Harley Davidson FXST 1995
Harley Davidson FXST 1996
Harley Davidson FXST 1997
Harley Davidson FXST 1998
Harley Davidson FXST 1999
Harley Davidson FXST 2000
Harley Davidson FXST 2001
Harley Davidson FXST 2002
Harley Davidson FXST 2003
Harley Davidson FXST 2004
Harley Davidson FXST 2005
Harley Davidson FXST 2006
Harley Davidson FXST 2007
Harley Davidson FXST 2008
Harley Davidson FXST 2009
Harley Davidson FXST 2010
Harley Davidson FXST 2011
Harley Davidson FXST 2012
Harley Davidson FXST 2013
Harley Davidson FXST 2014
Harley Davidson FXST 2015
Harley Davidson FXST 2016
Harley Davidson FXST 2017
Harley Davidson FXST 2018
Harley Davidson FXST 2019
Harley Davidson FXST 2020
Harley Davidson FXST 2021
Harley Davidson FXST 2022
Harley Davidson FXST 2023
Harley Davidson FXST 2024
Harley Davidson FXST 2025
Harley Davidson FXST 2026