S375 /6 V PR 6 STUD 600CC HEADS New pair 6 Stud Cast Iron Cylinder Heads for Indian Scout 600cc 1926/7/8/9/30/31 made in Australia
PLS NOTE
HEAD STUD HOLES ARE DRILLED TO 3/8" (CAN EASILY BE DRILLED OUT TO 7/16)
SPARK PLUG HOLE IS 14MM (CAN EASILY BE DRILLED OUT TO 18MM)
THE PRIMER PORT IS DRILLED AND TAPPED BUT NOT ALL THE WAY THROUGH. (EASY TO DRILL THRU)