Description
Engine cleanliness directly impacts performance and longevity—stock filters often allow contaminants to bypass into your oil system, compromising protection during critical moments. The S&S Cycle 31-4102A redesigns this fundamental flaw with a direct bypass valve that captures smaller particles while maintaining flow efficiency, keeping your engine running cleaner and longer. This is precision filtration engineered for riders and builders who refuse to compromise on engine health.
- Smaller canister diameter
- Easier removal/installation
- Direct bypass valve design
- Minimizes contaminated bypass oil
- Finer particle capture rating
- Low flow resistance
- Includes drain plug o-ring
- Made in the U.S.A.
- Part number: 31-4102A






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