-What are the dimensions of the surge tanks and FCC2?
The surge tanks are 4.5″ diameter x 9.5″ tall. The FCC2 adds an extra inch in height for removable gauge on top.
-Do I need to run a return line with the G-Surge or the FCC2?
Yes, all surge tanks and FCC2 need a return line back to the tank. Make it an easy install with one of our bung kits, part NO. 40004-9