The legendary turbo spark plug for engines glow OS P4 super hot for glow car engines 

OS 10 glow plug previously known as OS A5

Cold short body candle for 2-stroke glow engines.

Brand: OS

T-wrench for Spark Plug and Clutches mm 8/10/5.5 HEX5 - Radiosistemi MH315

The glow plug for 4 stroke engines glow OS F 4T among the best spark plugs for engines usable on 4-stroke glow types

Turbo Glow Plug P3 Ultra Hot Ruddog - Made in Japan

Special Rcexl type ICM-6 Iridium spark plug for petrol engines (GP, DA, DLE, 3W, etc.)

NGK CM-6 spark plug for petrol engines

The glow plug Rossi R5 for glow engines, medium , can be used on Glow motorized cars

Brand: Rossi

article: R5

The legendary glow plug for glow engines OS 8, among the best spark plugs for engines, usable on helicopters and airplanes, but also on cars