Primary Cover Gaskets Kit for Harley-Davidson FLH 1986-06 Gasket Kit for FLH Primary Covers Superior quality gasket kit! Featuring double side silicone bid on thick gasket for the best oil leak protection. Kit includes: Outer primary cover gasket. Inspection cover gasket. Derby cover gasket. Fits Harley-Davidson FLH models 1986-2006 *Product ID = 3863