The 4412E tooling works very well in holes 6" deep or more. M14x1.25 spark plug repair tooling Extended THIS KIT CONTAINS NO INSERTS.
14PCS M14 x 1.5 Metric Thread Repair Install Tool Insert Kit M14 Helicoil Coil
2 PCS , M14 x 1.5/M18 x 1.5 M10 x 1.0/M12 x 1.25 Thread Spark Plug Chaser Tap...
Time-Sert 51459 M14 x 1.25 x 16.8mm Ford Triton Insert - 10 Pack FREE SHIP
Time-Sert 55522 M14 x 1.25 x 15mm Ford Triton Triple Oversized Insert - 5 Pack
Big-Sert 51457 M14 x 1.25 x 16.8MM Spark Plug Taper Seat Insert - 5 Pack
Time Sert 14155 M14 x 1.5 x 12.7 Carbon Steel Insert - 10 Pack
