Description
Positive crankcase ventilation directly impacts engine reliability and longevity—poor breather systems allow moisture and blow-by gases to accumulate, degrading oil quality and accelerating internal wear. The FEULING Rocker Box Breather Kit eliminates these issues with precision-engineered billet housings and properly sized breather paths, ensuring your Twin Cam engine breathes efficiently under all conditions. This is essential maintenance for any rider serious about engine health and performance.
- Billet 6061 aluminum construction
- CNC-machined breather housings
- Optimized breather hole sizing
- Umbrella valve design
- Includes gaskets and seals
- ARP® stainless hardware included
- Square machined surfaces
- Superior gasket sealing
- Breather filter elements included
- Top rocker cover gaskets included
- Fits ’99+ Twin Cam
- Bolt-on installation
- Made in U.S.A.
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