M10 X 1 SPARK PLUG Helical Thread Repair Kit M10 x 1 spark plug helical thread repair kit CHR88001 $65.880/ea
M12X1.25 SPARK PLUG Helical Thread Repair Kit M12x1.25 spark plug helical thread repair kit CHR88003 $73.530/ea
M14X1.25 SPARK PLUG Helical Thread Repair Kit M14x1.25 spark plug helical thread repair kit CHR88006 $88.320/ea
M18X1.5 SPARK PLUG Helical Thread Repair Kit M18x1.5 spark plug helical thread repair kit CHR88011 $124.100/ea