【Applicable Models】 M14x1.25x16.8mm sparkplug Insert p/n 51459 compatible with Ford Spark Plug Repair Kit p/n 5553
【Preferred Materials】Our M14x1.25x16.8mm sparkplug Insert are made of high-guality, thickened steel and calcined at high temperatures to ensure sharpness and maximize durability to ensure your long-term use.
【Positive Placement】p/n 51459 having a flange on the top of the insert will insure that the insert will have positive placement and cannot wind down into the newly repaired hole
【Self Locking 】On installation the bottom interal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place. ocking mechanism is at the bottom of insert.
【After-sales service】We offer 3-year warranty and unconditionally send a new set, if they are damaged within three years.