

Champion 861ECO/5861 Spark Plug, For: Champion 861ECO/5861 J19LM, RJ19LM and RJ17LM Small Engines, 0.551 in Thread
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Fine wire center and side electrodes concentrates spark energy for easier starts under all conditions. Booster gap delivers maximum firing voltage. Projected core nose offers peak performance. #5843 is equivalent to #CJ8, CJ7Y, CJ8Y, RCJ8, RCJ7Y, RCJ8Y, J8C and RJ8C. #5846 is equivalent to #CJ14. #5861 is equivalent to #J19LM, RJ19LM, J17LM and RJ17LM.
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| Electrode | : | Nickel Copper Alloy |
| Fill Gap Size | : | 0.022 to 0.028 in |
| Hex Size | : | 0.819 in |
| Suitable for | : | Champion J19LM, RJ19LM, J17LM and RJ17LM Small Engines |
| Thread Size | : | 0.551 in |