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O'Donnell Medium (Purple) Sport Glow Plug (25%-30% Nitro) (1)

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This is one O'Donnell sport medium (purple) standard glow plug for engines that accept long shaft plugs (basically any engine except O.S. Engines). This is a medium glow plug intended for use with 20% to 33% nitro content fuels.

This product was added to our catalog on May 25, 2006.

Lane Smith
Verified Owner
You really can't go wrong with O'Donnell! Does its job and has lasted through break-in!
Verified Owner
I used to only run OS plugs, but I now think these Odonnell purple plugs are better. For any SH-based engine - LRP, SH, Dynamite, Mach, Nosram, Losi 454 or whatever - they give good performance, they're steady and reliable, and they last long. And oh yeah - they're cheap!.. For me these are the best non-turbo plug you can get - regardless of cost.
Schaeffer Racing
Verified Owner
I've had this glow plug for 6 months and have ran at my practice track at my grandpa's which is a fast pace, on and off throttle, little break time race when i practice and this glow plug is AMAZING! It has amazing throttle response in humid, dry, hot, and even cold weather. I have mostly been running it with my Dynamite Mach .21 2 and i have only changed it once after break in. If you want the best priced Glow plugs out there and can perform, get these!!!
Matthew Wilson
Verified Owner
I've havnt changed a glow plug in 14 months. Its the first glow plug i put in the motor. The motor is a Axial .32rr runs great. These are the right ones for it....
Charles Thompson
Verified Owner
I have used these and also No. 99 plugs in my nitro can't really fail w O'Donnell glow plugs

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