Sifton 40-0454 Mini-Breather Bolt Kit Chrome for Harley-Davidson

Kit features chrome breather cups that have built in mount bolt for Big Twin models. Bolts are 3/8 inch x 16 threads

The Sifton 40-0454 Mini-Breather Bolt Kit is designed for Harley-Davidson applications using stamped steel carburetor or EFI support brackets. Finished in chrome, this set provides a clean, functional replacement solution for breather bolt installations while complementing the appearance of your engine and intake assembly.
Each breather bolt is fully threaded and vents through the bolt head. The threaded section is 1 inch long, making the kit suitable for applications that require this configuration. The set is intended for installation with compatible stamped steel support brackets and is supplied as a matched kit for convenient replacement or service work.
The Sifton 40-0454 Mini-Breather Bolt Kit fits select 1999–2006 Harley-Davidson FXD models, along with 2017 FXST and FLST models. Verify your motorcycle’s year, model, bracket style, and breather requirements before ordering to ensure proper compatibility. This kit is sold as a set and is manufactured in Taiwan.

Features:

• Brand: Sifton

• Part Number: 40-0454

• Finish: Chrome

• Design: Fully threaded breather bolts that vent through the bolt head

• Threaded Length: 1 inch

• Application: For use with stamped steel carburetor or EFI support brackets

• Fitment: Select 1999–2006 Harley-Davidson FXD models and 2017 FXST and FLST models

• Unit of Measure: Set

• Country of Origin: Taiwan

• Accessory Items: 34-1480 - Hex Breather Bolt Kit Chrome, 40-0453 - Sifton Mini-Breather Chrome Bolt Set, 34-1474 - Breather Bolt Kit

Fitment
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 FLT 1999
Harley Davidson FLT 2000
Harley Davidson FLT 2001
Harley Davidson FLT 2002
Harley Davidson FLT 2003
Harley Davidson FLT 2004
Harley Davidson FLT 2005
Harley Davidson FLT 2006
Harley Davidson FLT 2007
Harley Davidson FLT 2008
Harley Davidson FLT 2009
Harley Davidson FLT 2010
Harley Davidson FLT 2011
Harley Davidson FLT 2012
Harley Davidson FLT 2013
Harley Davidson FLT 2014
Harley Davidson FLT 2015
Harley Davidson FLT 2016
Harley Davidson FLT 2017
Harley Davidson FLT 2018
Harley Davidson FLT 2019
Harley Davidson FLT 2020
Harley Davidson FLT 2021
Harley Davidson FLT 2022
Harley Davidson FLT 2023
Harley Davidson FLT 2024
Harley Davidson FLT 2025
Harley Davidson FLT 2026
Harley Davidson FXD 1999
Harley Davidson FXD 2000
Harley Davidson FXD 2001
Harley Davidson FXD 2002
Harley Davidson FXD 2003
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXD 2006
Harley Davidson FXD 2007
Harley Davidson FXD 2008
Harley Davidson FXD 2009
Harley Davidson FXD 2010
Harley Davidson FXD 2011
Harley Davidson FXD 2012
Harley Davidson FXD 2013
Harley Davidson FXD 2014
Harley Davidson FXD 2015
Harley Davidson FXD 2016
Harley Davidson FXD 2017
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