Time-Sert Ford triton Spark Plug Repair Kit INCLUDES 8 INSERTS 5553-8 WORLDS BEST Ford spark plug repair kit INCLUDES 8 LOCKING INSERTS M14x1.25 MADE IN USA Don't spend big money on a poor repair or replacing the head, use this professional repair This is also a double oversized kit if previously repaired by a helicoil. This kit will repair a failed helicoil or save-a-thread repair. p/n 5553-8