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Flash-Fighter Spark Plug Extension

BG’s heavy wall PTFE
insulated extensions prevent
ignition problems. . .

Models available for screw-on or snap-on type connection...

Model Connection Type With "Slide
Into Place"
21209— Screw-on Yes
21229— Screw-on No
21735— Snap-on Yes
21957— Snap-on No
Specify length in inches after dash —
Example: 21229—6 is 6” long. For MEP engines specify 21209—
MEP. If intended for use with Champion W10, W14, or W18 spark
plug, add suffix “W”. (Example: 21209—4W)

If intended for use with Champion WPCC types, (2” long insulator)
add suffix L. (Example: 21209-8L)

Flash-Fighter Extension with Resistors:

There is a new line of screw-on, no boot style
(like P/N 21229-) extensions with resistors.
The P/N is 25419-XX, where XX stands for the length.

The extension comes in the following lengths:
4”, 6”, 8”, 10”, 12”, 14”, 15”, 16”, 18” 20”, 22”,
and 24”.

The resistance value is between 8,000 and 12,000
Ohms. (For 6,000 Ohms nominal value, call factory)

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