To answer your question of there being a complete kit....no.
However, Mike sells the motor mount..not exactly sure which one... and battery try you would need.
Battery tray...
http://www.rc-monster.com/rcm.php?pg=3
motor mount: e-mail Mike and ask which one or ask in the forums
1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S