Description
A leaking derby cover isn’t just messy—it compromises your engine’s cleanliness and can lead to debris contamination in critical areas. The JAMES GASKET Derby Cover Quad Seal is a precision molded rubber seal with a metal insert that eliminates seepage where your inspection and derby covers meet, ensuring a reliable oil barrier for thousands of miles. Whether you’re running a billet, stamped, or cast cover, this American-made seal delivers the durability and performance your Big Twin engine demands.
- Molded rubber construction
- Metal insert reinforced
- Beaded oil seal design
- Fits billet covers
- Fits stamped covers
- Fits cast covers
- Works with inspection covers
- Works with derby covers
- Big Twin compatible
- Made in USA
- MPN: JGI-25416-84-X









