This is a brand new, Made in U.S.A., MECOA RJL Glow Plug Adapter for Wen-Mac and Testors McCoy .049

Now you can use a standard long glow plug like the K&B 7311 1L in your Wen-Mac and Testors McCoy .049 engine.

Our combustion chamber was designed by Randy Linsalato for a standard plug. Much better than a drilled out and tapped glow plug. 

We also have American Made K&B Glo Plugs listed

Click Here 7311  1L Glow Plugs