2 packs of 6! 14mm x 1.25. .472" reach (12mm) These are NOS heli coil inserts for repairing soak plug threads. Made in USA. These are inserts only, you'll need a heli coil tap and install tool. R11
12x Helicoil 14mm Spark Plug Thread Repair Inserts #R512 14- 1.25mm 3/8" Reach
12x Helicoil 14mm Spark Plug Thread Repair Inserts #R513 14- 1.25mm Reach 7/16"
12x Helicoil 10mm Spark Plug Thread Repair Inserts #R474-4 M10x1.0mm 1/2" Reach
25648 OEMTOOLS New Spark Plug Thread Repair Inserts Set of 6
OEM Tools 25648 Spark Plug Thread Repair Inserts Set of 6 New
HELICOIL 14MM SPARK PLUG THREAD REPAIR KIT 14-1.25mm New 4971-14 1030-14
