ProTek RC 2551 T4 Hot Turbo Glow Plug (.12 and .21 Engines)

The ProTek T4 Hot Turbo Glow Plug was developed to provide nitro enthusiasts with an affordable, general purpose turbo plug. The T4 "Hot" heat range plug is a good general purpose plug recommended for .12 to .21 size engines running 10 - 36% nitro in most climate conditions.