See more: Valve Guide Seals
Fits 1986-2003 Sportster, 1984-1999 Evolution Big Twin and 1999-2004 Twin Cam, Valve stem seals, .312" x .421", 4-pack (OEM 18001-83B)
These seals meet or exceed factory specifications. As with every valve seal proper installation will give the best results. We recommend AV&V valve seal drivers to install these seals, as they allow easier and more precise installation. The valve seal is installed in centerline with the guide, preventing the seals from coming loose.