Dependable O.S. Quality makes A3 the most durable and
longest-lasting glow plug available at an economical price.

O.S. Airplane/Helicopter Engine Glow Plugs

#8 Glow Plug: This medium heat plug is best for 
all 2-stroke sport & contest R/C planes. The #8 is
much longer-lasting & reliable so you  recover your
investment by purchasing fewer glow plugs.

Type F Glow Plug: This specialy designed long 
reach plug is best suited for all brands of
4-stroke  engines. It offersthe same durability &
reliabilityas the O.S. #8 glow plug.

#0 Glow Plug: Medium-heat economy

#1 Glow Plug: High-heat

#3 Glow Plug: Medium-heat

#5 Glow Plug: Low-heat

#7 Glow Plug: Standard long plug with idle bar for 
2-stroke engines.

O.S. Car Engine Glow Plugs

A5 Glow Plug: Ideal for 1/8 or 1/10 off-road
buggy engines. Stays it during braking or while 
coasting, for immediate acceleration.

R5 Glow Plug: Ideal for 1/8 scale on-road racing. Holds
up even with high nitro and high R.P.M.

O.S.ENGINES - MFG.CO.,LTD. - MADE IN JAPAN

-> A3 1.5Volts