Smith is 3 - 2 against Castellana in prior events and Smith is 2 - 0 against Castellana in prior final rounds. Castellana with the starting line advantage and never trails for the win. Castellana with a nitrous explosion right in the lights, but still holds on for the win. This is his first National event win this year and fourth career win. Castellana with the win moves into second place in the points. Smith got real loose early and clicked it off.