M12x1.25 spark plug repair kit p/n 4212-125 tooling. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place.
6483 5Pc Wheel Hanger Set M12 x 1.25 (wheel stud version), M12 x 1.5, M14 x 1.25
Tap & Die Set 4 Wheel Studs & Nuts Thread Re-Cutting M12 x1.25 M12 x 1.5 M14 Kit
M12 x 1.25 Metric Thread Repair Install Tool Insert Kit M12 Helicoil Coil 15pc
New 2pc M18 X 1.5 M12 x 1.25 Oxygen O2 Sensor Rethread Thread Chaser Repair Tool
ARP Fits M12 x 1.50 x 90 12pt Black Oxide Bolts (5/pkg) - 674-1010
