M10X1 x 1/2" SPARK PLUG Helical Insert QTY-6 M10x1 x 1/2" spark plug helical insert qty-6 CHR88032 $6.200/ea
M12X1.25X1/2" SPARK PLUG Helical Insert QTY-6 M12x1.25x1/2" spark plug helical insert qty-6 CHR88034 $7.500/ea
M12X1.25X3/4" SPARK PLUG Helical Insert QTY-6 M12x1.25x3/4" spark plug helical insert qty-6 CHR88036 $8.300/ea
M14 X 1.25 X 3/8" SPARK PLUG Helical Insert QTY-6 M14 x 1.25 x 3/8" spark plug helical insert qty-6 CHR88046 $8.700/ea
14X1.25 X 7/16" SPARK PLUG Helical Insert QTY-6 14x1.25 x 7/16" spark plug helical insert qty-6 CHR88047 $9.000/ea
14X1.25X1/2" SPARK PLUG Helical Insert QTY-6 14x1.25x1/2" spark plug helical insert qty-6 CHR88048 $9.300/ea
M14X1.25X3/4" SPARK PLUG Helical Insert QTY-6 M14x1.25x3/4" spark plug helical insert qty-6 CHR88050 $9.500/ea
M18X1.5 x 1/2" SPARK PLUG Helical Insert QTY-6 M18x1.5 x 1/2" spark plug helical insert qty-6 CHR88051 $20.300/ea