This is a NEW set of Spark Plug Wires for International Harvester / Farmall 6 Cylinder Tractors. They are 7mm copper wire. The coil wire is 59″ long. Here are the measurements of the 6 plug wires: 3 – 31″, 1- 36″, 2- 40″The spark plug ends have 90 deg boots.For these models & more! 560, 606, 656, 660, 666, 686, 706, 756, 766, 806, 856Email if you have questions. PLOWBOY EQUIPMENT – We have a large selection of replacement parts for AG & Industrial machines of all brands & models. Parts for tractors, skid steer loaders, combine & harvesting heads, baler parts, lawn & garden, PTO drivelines, cab glass, engine parts, air conditioning parts, seats, belts, clutch pressure plats and disc, radiators, water pumps & other cooling parts, hitch parts, transmission parts, hay tool, ag supply, mufflers, alternators, starters and other electrical components, filters, hydraulic system, CabCAM camera observation systems……Please click on our store to find these items and more! Plowboy Equipment Your Ag Parts Store & More! 274 FH06