O.S. Engine has some new RP8 Turbo Glow Plugs – Cold for all you .21 VZ-R or 12TR engine runners to keep that performance hot while keeping your engine cool. They are compatible with 25% or higher nitro fuel, and are perfect for serious on-road competitors. They are avaliable as you read this for a street price of around $15.
Make sure you check out the OS Engines website for all the details!