ProTek RC 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. Heat Range Options: PTK-2550: T3 Turbo Plug, "Ultra Hot" plug recommended for .12 to .21 size engines running 10 - 36% nitro in cold conditions. PTK-2551: T4 Turbo Plug, general purpose "Hot" plug recommended for .12 to .21 size engines running 10 - 36% nitro. PTK-2552: T5 Turbo Plug, "Medium" plug recommended for .12 to .21 size engines running 10 - 36% nitro in hot conditions.