Time-Sert

Note, no inserts in the kit, they are linked below along with the thread locker and driver oil. TIME SERT 4412 First Time Spark Plug Thread Repair Kit M14x1.25 millimeter standard length. If longer...

TIME SERT 4412-321 First Time Spark Plug Thread Repair Kit M14x1.25 millimeter standard length, includes washer seat inserts. If longer tooling is needed when working on spark plug holes that are...

Time Sert 44123 Single Replacement Thread Insert M14x1.25 8mm. Listing is for ONE replacement insert. Picture shown is not actual insert.Commonly used in the 4412 and 4412E thread repair kits...

M14x1.25x9.4mm washer seat spark plug Insert quantity ONE: The 9.4mm length is typically used on some Harley Davidson spark plug applications. It comes in the 4490 kit and can be used with 4412 and...

M14x1.25x15mm spark plug insert quantity ONE: The 15mm length is just under the 3/4" reach, washer seat spark plug applications (first time repair, meaning there was no previous insert installed)...

TIME SERT 4412E First Time Spark Plug Thread Repair Kit M14x1.25 millimeter standard length. If longer tooling is not needed, use 4412. The "E" stands for extended. Please note *Inserts sold...

M14x1.25 spark plug repair tooling Extended for DEEP reach holes. Kit includes 5 inserts p/n 44111 for washer seat plugs also known as washer or gasket type plugs.  Used in 3/4 reach gasket...

Spark plug thread repair for M14x1.25, most commonly used for Chevrolet and other Domestic vehicles that use tapered seat M14x1.25 spark plugs. For first time repairs only. Larger tooling and inserts...

TIME SERT 4412E First Time Spark Plug Thread Repair Kit M14x1.25 millimeter standard length. Comes with long wrench and short wrench which allows for access down spark plug wells with the longer one,...

TIME SERT 4412S-187 First Time Spark Plug Thread Repair Kit M14x1.25 kit comes with the "Mini" wrench when clearance is an issue. Comes with 44183, 44185, 44187 inserts. 4412S-187 is typically used...

This a taper seat reconditioning kit for M14x1.25 spark plug holes. Unlike most Time Sert kits, this is NOT a thread repair kit, it only restores the taper seat where spark plug seals. See below...