S&S Cylinder Head Breather Kit for Harley Davidson Twin Cam

Made of blue anodized 6061 aluminum.
Direct replacement for the original vent.
Inside, you'll find the patented labyrinth design that significantly reduces oil flow, keeping your engine running cleaner and smoother, with less oil consumption.
S&S's double O-ring design offers superior sealing, minimizes leaks, and maximizes performance.
It requires no maintenance, as the mesh filter elements and umbrella valves are eliminated.
- Construction in 6061 aluminum
- S&S blue anodized finish
- Double O-ring for improved sealing
- Labyrinth design that significantly reduces oil flow
- Reduced oil carryover to the intake
- Greater durability compared to the original vents
- Without umbrella valve or mesh filter element, therefore it requires no maintenance.

Fits: Twin Cam > 99-17