Rebuilding an engine? You'll likely need these. This is a 10-pack of Cometic Gasket umbrella-style valve seals, part number C9481. They're a crucial part for preventing oil from leaking down the valve guides into the combustion chamber. These are the quality seals many mechanics and builders trust for motorcycle, ATV, or small engine projects. Just make sure this part number (C9481) matches what your engine needs before ordering. No frills, just a reliable pack of seals to help your engine run clean and smoke-free.
