OS Engines 71615009 Type F Glow Medium Plug FEATURES: Specially shielded long-reach plug for use in four stroke engines. Shield keeps plug hot for lower idle RPM INCLUDES: One #F Glow Plug (without idle bar) One brass glow plug gasket. ir/jl update jxs 3/23/05 INCLUDES: One #F Glow Plug (without idle bar) One brass glow plug gasket. ir/jl update jxs 3/23/05