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

" OVERSIZED HOLES" For Sparkplugs that have been previously repaired.

The outside thread of the BIG-SERT is M18x1.5, the stripped hole should not be larger than 16.3mm or .640 inches.


SPARK PLUG KITS DO NOT INCLUDE INSERTS
 

KIT SIZE
BIG-SERT

KIT PART NO.

PRICE

LENGTH

WASHER SEAT P/N

PRICE

TAPER SEAT P/N

PRICE

INCHES METRIC

M14x1.25
Standard
--------
M14x1.25
Extended
Version

6605141S
-------
6605141E

320.93

352.20

.370 9.4mm 66151401A 14.26 66151451A 20.26
.430 11mm 66151403A 14.26 66151453A 20.26
.600 15mm 66151405A 15.62 66151455A 20.26
.660 16.8mm 66151407A 15.62 66151457A 22.33
.964 24.5mm

n/a

n/a 66151458A 22.33
FORD KIT PART NO. PRICE
 

LENGTH

STYLE

TAPER SEAT P/N

PRICE

INCHES METRIC

Ford Style inserts

6605553A

437.40

.660 16.8mm Triton style 66151459A 23.63
.965 24.5mm Z-tec style 66151460A 23.63
C5-A® Copper Anti-Seize Stick p/n 66237229
 
Recommended for use on spark plug with aluminum insert.
  1 @ 9.94