Car Caddie by Standers : door strap with handle grip car mobility aid RDJ8J Spark Plug for Universal Products. One New Aftermarket Replacement Spark Plug Champion RDJ8J for Small Engine and Outdoor Power Equipment This Champion RDJ8J (865) spark plug is a conventional small engine spark plug designed for 2 cycle and small 4 cycle outdoor power equipment, including lawn mowers, string trimmers, brush cutters, and related lawn and garden machinery. It features a copper core center electrode for increased conductivity and heat control, nickel alloy electrodes for durability, and a resistor design for reduced ignition interference. Specifications Thread Diameter: 14mm Thread Pitch: 1. 25mm Reach: 7. 8mm (0. 307") Hex Size: 5 8" (16mm) Seat Type: Tapered Electrode Gap: 0. 024" (0. 6mm) Resistor: Yes (SAC9) Heat Range: 8 Center Electrode Material: Nickel Torque: 7 15 lb. ft. (cast iron or aluminum head) Compatible Equipment MTD Troy Bilt Yard Machines Bolens Yard Man White Outdoor: String trimmers, brush cutters, and other 2 cycle outdoor power equipment using the Champion RDJ8J or equivalent plug. Verified compatible models include Troy Bilt TB22EC, TB32EC, TB35EC, TB25C, TB25CB; MTD Y2560, Y2510; Bolens BL110, BL125, BL160. Craftsman: Select 2 cycle trimmer and small engine models specifying the RDJ8J plug. Verify your equipment's spark plug specification against the part number listed on the model sticker or in the owner's manual before ordering. Replaces Part Number(s): RDJ8J, 865 (Champion), 794 00046 (MTD), 753 06269 (Troy Bilt) Aftermarket Interchange Numbers NGK BMR6E, NGK BPMR6F; also cross references to MTD 794 00055, 753 06847, 753 06193 New aftermarket replacement part not remanufactured, not used.