from which of the hpi range of engines do you need the measurements from, the f 4.6 which i think they did 3 versions of, or the k 4.6 or the 5.9 in the xl
from which of the hpi range of engines do you need the measurements from, the f 4.6 which i think they did 3 versions of, or the k 4.6 or the 5.9 in the xl