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TIME-SERT® PROFESSIONAL SPARK PLUG THREAD REPAIR KITS, PERMANENT RESULTS!

THE VERY BEST IN STRIPPED SPARK PLUG THREAD REPAIR KITS !

NOTE: If the hole was previously REPAIRED with Helicoil or save-a-thread style insert.
Use our BIG-SERT for oversized spark plug repairs click here:

These kits are considered "Over the fender" you DO NOT have to remove the head. MEASURING INSERT LENGTH:
To measure correctly for the length of insert you need for your application. Measure from under the spark plug (Washer) or (middle of taper for tapered seat) to the last thread.
(Not to the end of the electrode). This will give you the correct length. TIME-SERT inserts cannot be shortened.
(click here: for Spark plug measurement and determine correct size and length insert)
SPARK PLUG THREAD REPAIR KIT

thread repair kit
p/n 4412	p/n 4412E

SPARK PLUG TYPES		WASHER SEAT SPARK PLUG INSERTS copper plated			TAPER SEAT SPARK PLUG INSERTS silver plated
Video instructions		LENGTH		Washer seat PART NO.	LENGTH		Taper seat PART NO.
KIT SIZE	Part No.	INCHES	METRIC	Washer seat PART NO.	INCHES	METRIC	Taper seat PART NO.
1/4-32 RC engines Glow plug	Kit p/n 0142SP	.180	04.57mm	01421	-----	-----	-----
KIT SIZE	Part No.	INCHES	METRIC	Washer seat PART NO.	INCHES	METRIC	Taper seat PART NO.
M10x1.0 Standard (notes)	Kit p/n 4010	.360 .472 .600 .905	09.0 mm 12.0 mm 15.0 mm 23.0mm	40101 40102 40103 40105	----- ----- -----	----- ----- -----	----- ----- -----
M10x1.0 Deep hole kit :Honda Note:	Kit p/n 4010E	.360 .472 .600 .905	09.0 mm 12.0 mm 15.0 mm 23.0mm	40101 40102 40103 40105	----- ----- -----	----- ----- -----	----- ----- -----
KIT SIZE	Part No.	INCHES	METRIC	Insert PART NO.	INCHES	METRIC	Taper seat PART NO.
M10x1.0 Glow plug commonly used in dodge sprinter (notes)	Kit p/n 4010GP	.472	12.0 mm	40102
KIT SIZE	Part No.	INCHES	METRIC	Insert PART NO.	INCHES	METRIC	Taper seat PART NO.
M10x1.25 Glow Pug DuraMax 6.6L Diesel 2001-2010 (link)	Kit p/n 5000	.650	16.2 mm	10123ANF aluminum	-----	-----	-----
KIT SIZE	Part No.	INCHES	METRIC	Washer seat PART NO.	INCHES	METRIC	Taper seat PART NO.
M12x1.25 Standard (notes)	Kit p/n 4212	.360 .600 .690 .866	09.0 mm 15.0 mm 17.5 mm 22.0mm	42121 42123 42125 42127	.827	21.0 mm	42126 Note click here: Ford Insert
M12x1.25 Deep hole (notes)	Kit p/n 4212E
M12x1.25 2008 Ford 3 valve kit (notes)	Kit p/n 4212H
KIT SIZE	Part No.	INCHES	METRIC	Washer seat PART NO.	INCHES	METRIC	Taper seat PART NO.
M14x1.25 Short kit for 7mm length (notes)	Kit p/n 14125D	.270 .320 .370 .430 .530 .600 .660 .905	07.0 mm 08.0 mm 09.4 mm 11.0 mm 13.5 mm 15.0 mm 16.8 mm 23.0 mm	44121 44123 44125 44127 44113 44129 44111 44112	.270 .400 .620 .660 .950	07.0 mm 10.0 mm 15.7 mm 16.8 mm 24.0 mm	44181 44183 44185 44186 44187
M14x1.25 Short kit for 8mm length (notes)	Kit p/n 14125F
M14x1.25 STANDARD (notes)	Kit p/n 4412
M14x1.25 DEEP HOLE (notes)	Kit p/n 4412E				----- ----- -----	----- ----- -----	Sealer required! for all taper seat inserts p/n 6020
M14x1.25 Inserts are also available in aluminum click here: normally used in racing applications, where Nitromethane is used as a fuel. Steel inserts typically have a higher tensile strength than aluminum.
KIT SIZE	Part No.	INCHES	METRIC	Washer seat PART NO.	INCHES	METRIC	Taper seat PART NO.
M18x1.5	Kit p/n 4815	.400 .720	10.0 mm 18.3 mm	48151 48153	.400	10.0 mm	48181
KIT SIZE	Part No.	INCHES	METRIC	Washer seat PART NO.	INCHES	METRIC	Taper seat PART NO.
7/8 - 18	Kit p/n 4718	.430 .780 1.000	11.0 mm 20.0 mm 25.4 mm	47181 47183 47185	----- -----	----- -----	----- -----

SPECIAL SEAT CUTTERS For use on some taper seat spark plug repairs that have very limited access to the spark plug hole. Cutter diameter .650 inches This tool only creates the inner countersink.		SEAT CUTTER GUIDE M14x1.25 SPARK PLUG For use when the step tap cannot be threaded deep enough through the spark plug hole to allow use of the seat cutter. Used in small head repair. (e.g Lawn mower heads)	SEALER FOR HIGH TEMPERATURES This sealer must be used when installing taper seat inserts.	INSERT DRIVER OIL This oil is superior for installing inserts.
KIT SIZE	PART NO.	PART NO.	PART NO.	PART NO.
M14x1.25 Extended Ver	44196 44196E	44195	6020	6010
M18x1.5	48196

M14x1.25 SEAT RECONDITION KITS			SPECIAL CUTTERS
Tooling used to recondition washer seat or taper seat sealing surface. THIS IS FOR HOLES THAT DO NOT HAVE AN INSERT.		P/n 4412SRW washer seat	If you have kit p/n 4412 or 4412E you only need the special individual Recondition Seat Cutter.
WASHER SEAT KIT P/n 4412SRW instructions	TAPER SEAT KIT P/n 4412SRT instructions	P/n 4412SRW washer seat	INDIVIDUAL RECONDITION WASHER SEAT CUTTER P/n 44197	INDIVIDUAL RECONDITION TAPER SEAT CUTTER P/n 44198

If you have any stripped spark plug thread repair questions regarding
spark plug blow out as in Ford spark plug blows outs. Our stripped thread repair kits
can solve your thread repair problem. read more on our spark plug Ford only thread repair page.

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