brodix b1 head for small block

work well for me! Human intervention required! AKA: port/polish Solid 9 second passes. Pix is @ Norwalk. 9.61 5 passes in a row. Lost on Sunday with a 9.609 [9.61] probably would have went a 9.58 [.015 bulb, on the brakes, but with no time runs on sunday...shot in the dark...dial in]