2 packs of 6! 10mm x 1. 1/2" reach (~13mm) These are NOS heli coil inserts for repairing stripped plug threads. Made in USA. These are inserts only, you'll need a heli coil tap and install tool. R13
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"
HELICOIL 14MM SPARK PLUG THREAD REPAIR KIT 14-1.25mm New 4971-14 1030-14
HELICOIL 18MM SPARK PLUG THREAD REPAIR KIT 5523-18
25648 OEMTOOLS New Spark Plug Thread Repair Inserts Set of 6
OEM Tools 25648 Spark Plug Thread Repair Inserts Set of 6 New
