Small engine spark plugs"ez start" carded 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. No.5843 is equivalent to Nos.CJ8, CJ7Y, CJ8Y, RCJ8, RCJ7Y, RCJ 8Y, J8C, and RJ8C. No. 5846 is equivalent to Nos. CJ14. No. 5861 is equivalent to Nos. J19LM, RJ19LM, J17LM, and RJ17LM.