1970 early up to about April- May 1970 used the splash shield without the hole and was generally found installed from the inside of the engine compartment. There was a late change over of the front brake line (may, june, july 1970) to the "71" style. this constituted the splash shield with the slit and hole, and is often found installed from the outside (inner wheel house) with the brake line travelling thru the hole.
