S&S Cycle Billet Head Breather Kit for 2017-Up Harley-Davidson Milwaukee-Eight

S&S Cycle Billet Head Breather Kit for 2017-Up Harley-Davidson Milwaukee-Eight

Stock plastic head breathers on Milwaukee-Eight engines are prone to oil leaks and degradation over time. This S&S Cycle billet head breather kit replaces both stock units with precision-machined components featuring a dual O-ring seal and labyrinth design that significantly reduces oil pass-through. The result is a cleaner engine with fewer emissions and improved long-term durability.

Key Features

• Replaces stock plastic head breathers on 2017-Up Milwaukee-Eight models
• Dual O-ring design provides a superior seal versus stock plastic breathers
• Unique labyrinth design significantly reduces oil pass-through for a cleaner-running engine
• CNC-machined from 6061 aluminum and anodized in S&S Blue
• Reduces emissions by minimizing oil burned through the breather system
• Made in the USA by S&S Cycle

Technical Specifications

• Material: 6061 aluminum
• Finish: Anodized S&S Blue
• Seal Design: Dual O-ring
• Internal Design: Labyrinth to reduce oil pass-through
• Quantity: 2 breathers per kit
• Country of Origin: USA

Fitment Notes

• Fits 2017-Up Harley-Davidson Milwaukee-Eight (M8) models
• Direct replacement for stock plastic head breathers – no modification required
• Review the Fitment tab for complete year and model breakdown