Don't know, still have not received a response from them.
there probably 9-5, 5 day a week. Suspect i will get an answer on Monday
Any time I called Kevko was during normal hours, tech guy got on the phone, no voice mail or call back needed.
They were very helpful when I was building my 408. I used the rear sump pan with their pick up. They even offered to make the setup to my specification if needed to fit TTI 1 7/8" headers.
