The O.S. 21TM-T .21 Engine w/T-Maxx Manifold is ...
a great option for those looking to get a little more out of their Traxxas T-Maxx or. A LC3 glow plug is used with this engine for improved power, better fuel economy ...
nbsp; These shims go between the head button and the top of the cylinder sleeve and can be used to adjust and fine tune the compression (deck height) of the engine. In general ...