Spark Plug Wire Set for 4 Cylinder Gasoline, Distillate & Kerosene Engine Farmall Tractors with IH Magneto or IH Battery Distributor Ignition. Exact Fit for Models: H, HV, Super H, Super HV, 300, 350 in Utility and Row Crop Fits C-152, C-164, C-169, and C-175 Engines. Lacquered Braided Cotton Cloth Cover over modern insulated wire with pure copper wire core (non-resistor) wire. Made and Assembled to Original Length, with upgraded modern terminals on both ends, and Rubber Boots on spark plug end. . NOT FOR USE WITH ELECTRONIC IGNITION Made in USA.