HPI Racing Glow Plug Hot B4 for .12 to .21ci (2-3.5cc) Engines Running on 10% to 16% Nitro

HPI Power Plugs coils use a unique blend of Platinum and Rhodium metals to produce a high quality range glow plugs that is the perfect match for HPI's range of Nitro Star engines.

For use with a 1.5v Glow Igniter.