The OS Max #F Glow Plug is Designed Especially for OS Max
(and other brands of) Four-Stroke Engines.
FEATURES: Specially shielded long-reach plug for use in O.S. (and other)
four stroke engine. Shield keeps plug hot for lower idle RPM.
For use with fuels with a 5-15% nitro content
INCLUDES: One #F Glow Plug (without idle bar)
One brass glow plug gasket.
O.S. Type F Glow Plug 4-Stroke Medium