Cylinder Head
Casting # 191,193 with oval pushrod holes. With (7) exhaust bolt holes and 1.940 intake valves. Does not fit HD engines with 3/8 exhaust valve stems.
Cylinder Head
Casting # 191,193 with round pushrod holes. With (7) exhaust bolt holes and 1.940 intake valves. Does not fit HD engines with 3/8 exhaust valve stems.