Item No. 7939
Discription

Discounted Price
MC COY GLO PLUG NO.9 COLD, FOR NITRO FUELS


• This is a Cold, Standard Long plugs especially designed for pattern flying,
ducted fan engines or any application where you're using 25% or higher nitro
fuel.
Suppliers Comments
• Use a hot plug with low nitro (less than 20%), and a cold plug with high nitro (more than 21%).fuels.

• When you remove the glow starter fromthe engine while idling and notice an immediate drop in RPM, you may need a hotter plug or higher nitro fuel.

• If your engine has a tendency to backfire a lot, you may be using a glow plug that's too hot, or a fuel with less nitro.

$12.60