Spark Plug Wire Set for International 154 International Cub Lo-Boy Tractor (C60 Engine with Battery Ignition IH Distributor) Custom Fit Spark Plug Wire Set for 154 Cub Lo-Boy ( 1968-1974 ) Lacquered Cotton Cloth Covered 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.