S&S Cycle M8 Billet Head Breather Kit

SKU: SSC900-1186
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

S&S Cycle M8 Billet Head Breather Kit

Elevate the performance and aesthetics of your Milwaukee-Eight (M8) powered Harley-Davidson with the S&S Cycle Billet Head Breather Kit. This premium kit is crafted from high-quality billet aluminum, offering a significant upgrade over stock components while improving crankcase ventilation.

Key Features & Benefits:

  • Material: Precision-machined from aircraft-grade billet aluminum for superior strength and a custom look.
  • Enhanced Ventilation: Effectively vents crankcase pressure, reducing blow-by and improving overall engine efficiency.
  • Performance Improvement: Optimized airflow can lead to a noticeable improvement in engine performance and throttle response.
  • Direct Fit: Designed for a hassle-free installation on a wide range of M8 Harley-Davidson models.
  • Style Upgrade: The billet construction adds a custom, high-performance visual appeal to your engine bay.

This S&S Cycle Billet Head Breather Kit is an essential upgrade for M8 riders looking to maximize their engine's potential and enhance its appearance. By improving crankcase ventilation, the kit helps maintain optimal operating conditions, reduces stress on engine seals, and contributes to a smoother running engine. Whether you're building a custom show bike or a high-performance machine, this breather kit delivers on both function and form. Experience the S&S Cycle difference and enhance your M8's capabilities. Find this premium kit and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2019 Harley-Davidson FLFB Fat Boy 107 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2024 Harley-Davidson FLHCS Heritage Classic 114 Base
2023 Harley-Davidson FLHFB Electra Glide Highway King Base
2017-2022 Harley-Davidson FLHR Road King Base
2017-2025 Harley-Davidson FLHRXS Road King Special Base
2019-2022 Harley-Davidson FLHT Electra Glide Standard Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2024 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2017-2021 Harley-Davidson FLHTKSE CVO Limited Base
2017-2023 Harley-Davidson FLHX Street Glide Base
2017-2023 Harley-Davidson FLHXS Street Glide Special Base
2017-2022 Harley-Davidson FLHXSE CVO Street Glide Base
2022-2023 Harley-Davidson FLHXST Street Glide ST Base
2024 Harley-Davidson FLI Hydra-Glide Revival Base
2017-2025 Harley-Davidson FLRT Freewheeler Base
2018-2021 Harley-Davidson FLSB Sport Glide 107 Base
2018-2021 Harley-Davidson FLSL Softail Slim 107 Base
2020-2024 Harley-Davidson FLTRK Road Glide Limited Base
2022 Harley-Davidson FLTRKSE CVO Road Glide Limited Base
2024 Harley-Davidson FLTRT Road Glide 3 Base
2017-2019 Harley-Davidson FLTRU Road Glide Ultra Base
2017-2023 Harley-Davidson FLTRX Road Glide Base
2017-2023 Harley-Davidson FLTRXS Road Glide Special Base
2018-2022 Harley-Davidson FLTRXSE CVO Road Glide Base
2022-2023 Harley-Davidson FLTRXST Road Glide ST Base
2018-2020 Harley-Davidson FXBB Street Bob 107 Base
2021-2024 Harley-Davidson FXBBS Street Bob 114 Base
2018-2019 Harley-Davidson FXBR Breakout 107 Base
2023-2024 Harley-Davidson FXBR Breakout 117 Base
2018-2020 Harley-Davidson FXBRS Breakout 114 Base
2019-2020 Harley-Davidson FXDRS FXDR 114 Base
2018-2019 Harley-Davidson FXFB Fat Bob 107 Base
2018-2023 Harley-Davidson FXFBS Fat Bob 114 Base
2018-2019 Harley-Davidson FXLR Low Rider 107 Base
2020-2021 Harley-Davidson FXLRS Low Rider S 114 Base
2022-2024 Harley-Davidson FXLRS Low Rider S 117 Base
2022-2024 Harley-Davidson FXLRST Low Rider ST 117 Base
2022 Harley-Davidson FXRST Low Rider El Diablo 117 Base
2017 Harley-Davidson FXSE CVO Pro Street Breakout Base
2020-2024 Harley-Davidson FXST Softail Standard 107 Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

S&S Cycle M8 Billet Head Breather Kit

Elevate the performance and aesthetics of your Milwaukee-Eight (M8) powered Harley-Davidson with the S&S Cycle Billet Head Breather Kit. This premium kit is crafted from high-quality billet aluminum, offering a significant upgrade over stock components while improving crankcase ventilation.

Key Features & Benefits:

  • Material: Precision-machined from aircraft-grade billet aluminum for superior strength and a custom look.
  • Enhanced Ventilation: Effectively vents crankcase pressure, reducing blow-by and improving overall engine efficiency.
  • Performance Improvement: Optimized airflow can lead to a noticeable improvement in engine performance and throttle response.
  • Direct Fit: Designed for a hassle-free installation on a wide range of M8 Harley-Davidson models.
  • Style Upgrade: The billet construction adds a custom, high-performance visual appeal to your engine bay.

This S&S Cycle Billet Head Breather Kit is an essential upgrade for M8 riders looking to maximize their engine's potential and enhance its appearance. By improving crankcase ventilation, the kit helps maintain optimal operating conditions, reduces stress on engine seals, and contributes to a smoother running engine. Whether you're building a custom show bike or a high-performance machine, this breather kit delivers on both function and form. Experience the S&S Cycle difference and enhance your M8's capabilities. Find this premium kit and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2019 Harley-Davidson FLFB Fat Boy 107 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2024 Harley-Davidson FLHCS Heritage Classic 114 Base
2023 Harley-Davidson FLHFB Electra Glide Highway King Base
2017-2022 Harley-Davidson FLHR Road King Base
2017-2025 Harley-Davidson FLHRXS Road King Special Base
2019-2022 Harley-Davidson FLHT Electra Glide Standard Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2024 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2017-2021 Harley-Davidson FLHTKSE CVO Limited Base
2017-2023 Harley-Davidson FLHX Street Glide Base
2017-2023 Harley-Davidson FLHXS Street Glide Special Base
2017-2022 Harley-Davidson FLHXSE CVO Street Glide Base
2022-2023 Harley-Davidson FLHXST Street Glide ST Base
2024 Harley-Davidson FLI Hydra-Glide Revival Base
2017-2025 Harley-Davidson FLRT Freewheeler Base
2018-2021 Harley-Davidson FLSB Sport Glide 107 Base
2018-2021 Harley-Davidson FLSL Softail Slim 107 Base
2020-2024 Harley-Davidson FLTRK Road Glide Limited Base
2022 Harley-Davidson FLTRKSE CVO Road Glide Limited Base
2024 Harley-Davidson FLTRT Road Glide 3 Base
2017-2019 Harley-Davidson FLTRU Road Glide Ultra Base
2017-2023 Harley-Davidson FLTRX Road Glide Base
2017-2023 Harley-Davidson FLTRXS Road Glide Special Base
2018-2022 Harley-Davidson FLTRXSE CVO Road Glide Base
2022-2023 Harley-Davidson FLTRXST Road Glide ST Base
2018-2020 Harley-Davidson FXBB Street Bob 107 Base
2021-2024 Harley-Davidson FXBBS Street Bob 114 Base
2018-2019 Harley-Davidson FXBR Breakout 107 Base
2023-2024 Harley-Davidson FXBR Breakout 117 Base
2018-2020 Harley-Davidson FXBRS Breakout 114 Base
2019-2020 Harley-Davidson FXDRS FXDR 114 Base
2018-2019 Harley-Davidson FXFB Fat Bob 107 Base
2018-2023 Harley-Davidson FXFBS Fat Bob 114 Base
2018-2019 Harley-Davidson FXLR Low Rider 107 Base
2020-2021 Harley-Davidson FXLRS Low Rider S 114 Base
2022-2024 Harley-Davidson FXLRS Low Rider S 117 Base
2022-2024 Harley-Davidson FXLRST Low Rider ST 117 Base
2022 Harley-Davidson FXRST Low Rider El Diablo 117 Base
2017 Harley-Davidson FXSE CVO Pro Street Breakout Base
2020-2024 Harley-Davidson FXST Softail Standard 107 Base

Product Details

Product Description

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

S&S Cycle M8 Billet Head Breather Kit

Elevate the performance and aesthetics of your Milwaukee-Eight (M8) powered Harley-Davidson with the S&S Cycle Billet Head Breather Kit. This premium kit is crafted from high-quality billet aluminum, offering a significant upgrade over stock components while improving crankcase ventilation.

Key Features & Benefits:

  • Material: Precision-machined from aircraft-grade billet aluminum for superior strength and a custom look.
  • Enhanced Ventilation: Effectively vents crankcase pressure, reducing blow-by and improving overall engine efficiency.
  • Performance Improvement: Optimized airflow can lead to a noticeable improvement in engine performance and throttle response.
  • Direct Fit: Designed for a hassle-free installation on a wide range of M8 Harley-Davidson models.
  • Style Upgrade: The billet construction adds a custom, high-performance visual appeal to your engine bay.

This S&S Cycle Billet Head Breather Kit is an essential upgrade for M8 riders looking to maximize their engine's potential and enhance its appearance. By improving crankcase ventilation, the kit helps maintain optimal operating conditions, reduces stress on engine seals, and contributes to a smoother running engine. Whether you're building a custom show bike or a high-performance machine, this breather kit delivers on both function and form. Experience the S&S Cycle difference and enhance your M8's capabilities. Find this premium kit and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2019 Harley-Davidson FLFB Fat Boy 107 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2024 Harley-Davidson FLHCS Heritage Classic 114 Base
2023 Harley-Davidson FLHFB Electra Glide Highway King Base
2017-2022 Harley-Davidson FLHR Road King Base
2017-2025 Harley-Davidson FLHRXS Road King Special Base
2019-2022 Harley-Davidson FLHT Electra Glide Standard Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2024 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2017-2021 Harley-Davidson FLHTKSE CVO Limited Base
2017-2023 Harley-Davidson FLHX Street Glide Base
2017-2023 Harley-Davidson FLHXS Street Glide Special Base
2017-2022 Harley-Davidson FLHXSE CVO Street Glide Base
2022-2023 Harley-Davidson FLHXST Street Glide ST Base
2024 Harley-Davidson FLI Hydra-Glide Revival Base
2017-2025 Harley-Davidson FLRT Freewheeler Base
2018-2021 Harley-Davidson FLSB Sport Glide 107 Base
2018-2021 Harley-Davidson FLSL Softail Slim 107 Base
2020-2024 Harley-Davidson FLTRK Road Glide Limited Base
2022 Harley-Davidson FLTRKSE CVO Road Glide Limited Base
2024 Harley-Davidson FLTRT Road Glide 3 Base
2017-2019 Harley-Davidson FLTRU Road Glide Ultra Base
2017-2023 Harley-Davidson FLTRX Road Glide Base
2017-2023 Harley-Davidson FLTRXS Road Glide Special Base
2018-2022 Harley-Davidson FLTRXSE CVO Road Glide Base
2022-2023 Harley-Davidson FLTRXST Road Glide ST Base
2018-2020 Harley-Davidson FXBB Street Bob 107 Base
2021-2024 Harley-Davidson FXBBS Street Bob 114 Base
2018-2019 Harley-Davidson FXBR Breakout 107 Base
2023-2024 Harley-Davidson FXBR Breakout 117 Base
2018-2020 Harley-Davidson FXBRS Breakout 114 Base
2019-2020 Harley-Davidson FXDRS FXDR 114 Base
2018-2019 Harley-Davidson FXFB Fat Bob 107 Base
2018-2023 Harley-Davidson FXFBS Fat Bob 114 Base
2018-2019 Harley-Davidson FXLR Low Rider 107 Base
2020-2021 Harley-Davidson FXLRS Low Rider S 114 Base
2022-2024 Harley-Davidson FXLRS Low Rider S 117 Base
2022-2024 Harley-Davidson FXLRST Low Rider ST 117 Base
2022 Harley-Davidson FXRST Low Rider El Diablo 117 Base
2017 Harley-Davidson FXSE CVO Pro Street Breakout Base
2020-2024 Harley-Davidson FXST Softail Standard 107 Base

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