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Thunderbolt Glow Plug - HP 4 Stroke (& 91+ 2 stroke) Glow Plug - HP 4 Stroke (& 91+ 2 stroke)
Carefully designed specifically for 4-Stroke and large-bore 2-Stroke engines to produce low idle speeds, smooth transition, and cooler running temperatures.
The key factor to this plug's perfomance is the research Thunderbolt and experienced metallurgists completed to determine the best shape for Thunderbolt's high-quality alloy wire.
Thunderbolt Glow plugs - FEEL THE HEAT!
The Thunderbolt line of Glow Plugs are made with only the highest grade materials. Manufactured in the USA to achieve the quality standards demanded by performance engines.