Spark Plug Wire Set for 2 Cylinder Gasoline, Distillate & Kerosene Engine John Deere B Tractors Battery Distributor Ignition (Delco-Remy Distributor). Custom Tailored Fit for John Deere “B” Series Tractor, will NOT fit other letter models. Custom Fit for John Deere B, will fit the B Variants as well. BR, BO, BW, BN, Bi. Cloth Covered (lacquered) Yellow with Black Accents, over a modern insulated spark plug wire. Stranded, Copper Core Wire. Comes with (2) Autolite 3076 Plugs for Big Spark Plug Hole (7/8″) with Thumb Screws These will ONLY FIT the tractors listed above, with the Delco Ignition as mentioned above. No additional assembly required.