Avbay Boards which are standard in all our dual deploy kits can be purchased separately for your build projects:

54mm (1 7/8" x 5") Board 
3" (2 5/8" x 5 1/2") Board 
4" Board (3 1/2" x 5 1/2")
6" (5" x 5 1/2") Board      

Also available, is the printed ABS nozzle used on our VTS-6.  The nozzle is made to fit a 54mm motor tube and doubles as a thrust plate.  Will work with most popular 3.9 tubes.

Check out battery boxes and switch bridges in Electrical Components: