McCoy

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Cold, Standard Long plugs especially designed for pattern flying, ducted fan engines or any application where you're using 25% or higher nitro fuel. This is their Racing plug Without an idle bar...

McCoy MC-59 Standard Long Plug (No Idle Bar) with a Hotelement that's designed for use with Low to Medium Nitro Fuels, perfectfor Helicopters. INCLUDES: One Standard Long PlugOne Copper Washer

FEATURES: Hot heat range For low nitro, planes, cars, boats, etc. Heated by 1.5V source Silver/Chrome colored with 5/16" size hex INCLUDES: One MC-55 glow plug One copper washer