Up for sale is COMETIC 2008-2009 FXCW Softail Rocker Harley Davidson DERBY COVER GASKET BIG TWIN EA 1/PK OE#25416-99C. The vendor part number is C9997F1. Please read the title to know what is for sale At Cometic Gasket, our goal is to offer the latest in gasket technology Materials, manufacturing processes and gasket designs are constantly improving to match the higher level of performance for today's powerful V-Twin engines You can rest assured that every component will be the best solution for your application