EB Mods JS Back Plate O-Ring
This is a replacement EB Mods JS Back Plate O-Ring, and is intended for use with EB Mods JS Racing "TX-521R VOX" engines. This O-Ring is installed over the engine back plate and helps to prevent air leaks at the back plate. It is a good idea to replace this O-Ring if it gets torn or as the fit between the case and back plate becomes loose.
This product was added to our catalog on January 15, 2010.