Fitments
63-84 Big Twin (Excl. Evo) with 3-5/8" big bore cylinders (NU)
Part Description
James, gasket set, cylinder base 3-5/8" bore. .031" Foamet
3-5/8" big bore. .031" thick Foamet (Foam Coated Metal). Final crush .025". James' Foamet gasket material has an aluminum core with a thin nitrile synthetic rubber foam layer bonded to both sides.