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BIG-SERT® OVERSIZED SPARK PLUG THREAD REPAIR KIT M14x1.25

" OVERSIZED HOLES" For Spark plugs that have been previously repaired.

The stripped hole should not be larger than 16.8mm or .660 inches.

Spark plug thread repair kit P/n 5141S

5141S DOES NOT INCLUDE INSERTS

BIG-SERT SPARK PLUG KITS	KIT PART NO.
Note: Kits 5141S & 5141E can install any insert length in the columns to the right. Washer seat or taper seat			LENGTH			WASHER SEAT P/N	TAPER SEAT P/N
			INCHES	METRIC
M14x1.25 Short Version p/n 5141S does not include inserts. ------------------------------- M14x1.25 Extended Version p/n 5141E does not include inserts. Used in recessed holes 6" inches/152mm or deeper.	P/n 5141S Inserts Not included ----------- P/n 5141E Inserts Not included		.370	9.4mm		51401	n/a
			.430	11mm		51403	51453
			.600	15mm		51405	51455
			.660	16.8mm		51407	51457
			.905	23mm		51409	-------
			.965	24.5mm		-------	51469

KITS THAT INCLUDE INSERTS	KIT PART NO.	Qty	LENGTH			WASHER SEAT P/N
			INCHES	METRIC
KITS INCLUDE 8 INSERTS	5141S-457 Short Version 8 inserts included ----------- 5141E-469 Extended Version 8 inserts included	1	.370	9.4mm		51401
		2	.660	16.8mm		51407
		1	.905	23mm		51409
		4 Washer and 4 Taper total 8 inserts included				TAPER SEAT P/N
		Qty	INCHES	METRIC
		1	.430	11mm		51453
		2	.660	16.8mm		51457
		1	.965	24.5mm		51469

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.
Ford spark plug kit	KIT PART NO.
			LENGTH			Style	TAPER SEAT P/n
			INCHES	METRIC
Ford triton style This kit repairs ford heads that have blown out spark plugs that are .660 inches or smaller.	Kit p/n 5553		.660	16.8mm		Triton style	51459
Ford focus z-tech style head	Kit p/n 5554		.965	24.5mm		Z-tech style	51460
P/n 5553 Repairs Failed Helicoils that are .660 outside diameter Using Ford kit p/n 5553 to repair other vehicles / inserts. click here:

FORD TRIPLE OVERSIZED SPARK PLUG REPAIR KIT M14x1.25 Repairs holes from 17mm to 18.5mm or (.670 inches) to (.730 inches)
STAND ALONE OVERSIZED REDUCER TO M14x1.25" For Taper Spark plug's LAST CHANCE REPAIR FOR THE FORD 4.6 / 5.4 heads. All the tools are included to repair the spark plug hole. The kit will repair holes as large as .730 inches by installing a special oversized insert that will accept TAPER SEAT M14x1.25 BIG-SERT insert 51457.
M14x1.25 REDUCER FORD HEADS	KIT PART NO.
			LENGTH		Style
			INCHES	METRIC
INSTRUCTIONS Kit includes 5 inserts each of the double and triple oversized	Part no. 5600		.660	16.8	Inner insert P/n 51457
			.590	15.0	Outter insert P/n 55522
We can now repair holes as large as .730 inches by installing an insert inside an insert.

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