TIMESERT® SPARKPLUG THREAD REPAIR KITS

These kits are considered "Over the fender" meaning 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)

Timesert Aluminum Spark Plug Inserts M14x1.25 use the same part number only add  the "A" for aluminum.


p/n 6604412
 

p/n 6604412E

SPARK PLUG TYPES


WASHER SEAT
INSERTS

 


TAPER SEAT
INSERTS
Installation  Instructions
KIT SIZE
PART NO.
PRICE
INCHES
MM
PART NO. PRICE
INCHES

MM

PART NO.

  PRICE
M14x1.25 Standard
6604412
NOTES:
166.61

.270
.320
.370
.430
.530
.600
.660
.905

7.0
8.0
9.4
11.0
13.5
15.0
16.8
23.0

66144121A
66144123A
66144125A
66144127A
66144113A
66144129A
66144111A
66144112A
 5.83
 5.83
 5.83
 5.83
 7.15
 7.15
 7.15
13.58

.270
.400
.531
.620
.660
.826
.950

 7.0
10.0
13.5
15.7
16.8
21.0
24.0

 66144181A
 66144183A
 66144184A
 66144185A
 66144186A
 66142126A
 66144187A

Sealer required for all Taper Seat Inserts. p/n 6626020

     9.54
     9.54
     9.54
     9.54
     9.54
   11.38
   11.38
M14x1.25
deep hole kit

6604412E
NOTES:
209.08

 
C5-A. Copper Anti-Seize Stick
p/n 66237229
Recommended for use on spark plugs with aluminum insert
1 @ 9.94
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