TIME-SERT 4412 Spark Plug Thread Repair Kit M14x1.25 - Wise Auto Tools LLC

Most common size M14x1.25 spark plug thread repair kit.
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 tooling is needed when working on spark plug holes that are down in a well, use 4412E. The E stands for extended. Please note *Inserts sold separately because the 4412 is used for multiple engine sizes which use different seat types and lengths. This kit is considered Over the fender you DO NOT have to remove the head. Metal shavings in cylinder may damage the engine - see instructions and video for more information. Timesert is recommended by leading automobile manufacturers. *Loctite sealer is required for all taper seat inserts.   For more information see our article called What's the Difference Between 4412 and 4412E?   KIT CONTENTS 1. Wrench 2. Step-Tap 3. Insert Driver 4. Seat Cutter Inserts sold separately  Printable Instructions for Time-Sert 4412E   Related Links and Products Time-Sert Driver Oil  Time-Sert Thread Locker Time Sert 44183 - For very short taper seat plugs, like used in Ford 7.5 Liter engines. Insert 44186 is for Ford 3.0L engines with 3/4 reach TAPER SEAT spark plugs. Insert 44187 is for Ford 2.0L engines with 24mm reach TAPER SEAT spark plugs.    Insert 44123 M14x1.25 8mm long is a short washer seat insert used on Harley Davidson short plugs, comes in kit number 14125F.Insert 44111 is for Ford 1.3L, 1.8L and 3.9L engines with 3/4 reach WASHER SEAT spark plugs. (Also fits other makes that meet these specifications)   Cylinder Leak Tester - To help make sure valves are closed before tapping. Requires an area above the spark plug hole to insert stopper.   Question: I have a 1977 Harley Davidson with an NGK BPR5ES spark plug, do you know what size spark plug thread repair kit I need? Not sure if it's metric or standard.   Answer: The BPR5ES is an M14x1.25 with a washer seat. The 4412 kit is the correct size. Use a 44111 insert. I'd also use the 6010 driver oil and 6020 thread locker.   Mouse over the images above for a more detailed view of the kit components. Also notice our bulk discount prices on TIME-SERT replacement inserts for thread repair kits. Need more information on TIME-SERT thread repair kits? Visit our auto repair blog section on thread repair kits for tips, advice and all your thread repair questions answered. Just comment and we will be quick to respond. See the  TIME-SERT products pdf for more information on thread repair kits and inserts. Some are listed for certain applications on cars, trucks and motorcycles. The pdf is a partial application list so feel free to email or call if we can assist with your particular need. We also accept inquiries regarding our daily TIME-SERT specials. Remember TIME-SERT is recommended by leading car manufacturers like the General Motors Corporation. In fact TIME-SERT is GM's only authorized repair for head bolt threads.

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,

TIME-SERT 4412S-187 GM Spark Plug Thread Repair Kit M14x1.25

TIME SERT 40105 Washer Seat Spark Plug Insert M10x1.0x23mm - Wise Auto Tools LLC

*Note: This is the optional short kit for 8mm inserts: NOT recommended for inserts longer than 8mm, use our standard spark plug kits (4412 or

TIME-SERT 14125F 8mm Harley Spark Plug Thread Repair M14x1.25

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TIME-SERT 44186 Spark Plug Taper Seat Insert for 4412 Series Kits - Wise Auto Tools LLC

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TIME-SERT 4490 Spark Plug Thread Repair Deluxe Kit M14x1.25 - Wise Auto Tools LLC

Finally a spark plug thread repair kit that has both taper seat and washer seat inserts with assorted lengths. The coverage that this kit has makes it

TIME-SERT 4490 Spark Plug Thread Repair Deluxe Kit M14x1.25

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,

TIME-SERT 4412S-187 GM Spark Plug Thread Repair Kit M14x1.25