EZ-Fix Spark Plug Inserts

E-Z Fix offers inserts in a variety of automotive sizes, identical in manufacture and usage to a standard E-Z Fix insert. These inserts are made from carbon steel, and offer all the benefits of an E-Z Fix insert, including the signature adhesive material on the exterior threads, and the ease of installation.

P/NDescription
9329-1008Inside Thread
M10 x 1
Outside Thread
9/16 - 18
Insert Length
.453
9329-1208Inside Thread
M12 x 1.25
Outside Thread
5/8 - 18
Insert Length
.453
9329-1212Inside Thread
M12 x 1.25
Outside Thread
5/8 - 18
Insert Length
.703
9329-1406Inside Thread
M14 x 1.25
Outside Thread
3/4 - 16
Insert Length
.328
9329-1408Inside Thread
M14 x 1.25
Outside Thread
3/4 - 16
Insert Length
.453
9329-1412Inside Thread
M14 x 1.25
Outside Thread
3/4 - 16
Insert Length
.703
9329-1808Inside Thread
M18 x 1.5
Outside Thread
1 - 12
Insert Length
.453
9750-14Inside Thread
M14 x 1.25
Outside Thread
M18 x 1.5
Insert Length
11.5mm