GLOW PLUGS High Quality Platinum Plugs Designed For Long Life. 4-Stroke Glow Pug 1-1/2 Volt, Long Thread Designed for superior performance in all 4-stroke engines. Good idle.

Tuned Pipe Glow Plug 1-1/2 Volt, Long Thread Designed for best performance when using a tuned pipe engine. Cool running. R/C Long Glow Plug with Idle Bar 1-1/2 Volt, Long Thread Designed for sport or competition flying in standard 2-cycle model engines.

For more information and option to buy link to: www.sigmfg.com