THIS LISTING IS FOR (1) CHAMPION 561 W16Y SPARK PLUG
IT IS A GASKET SEAT PLUG WITH A 15/16 HEX HEAD
IT HAS THE 7/8 THREAD WITH A 5/8 REACH
DESIGNED FOR A .023 TO .028 GAP
IT IS A NON-RESISTOR PLUG MADE WITH NICKEL COPPER ALLOY
FITS MANY OLD STATIONARY HIT & MISS ENGINES
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