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CETRA™ EXTENSIONS PERMIT THE USE
OF LOWER COST TOP THREADED SPARK
PLUGS WITH BG'S NEW CETRA LEADS. . .

And BG's Unique Cetra™ extensions extend plug
life too!

Cetra Extension With Spark Plug Cetra Extension

CSA ApprovedAPPROVED*

HOW TO ORDER

Select desired length, spark plug, and lead
termination and place the corresponding
"TYPE" numbers here:



CTR
Extension
Length
Spark Plug
Model
Lead
Termination*

EXTENSION LENGTH TYPE
7.75 inches 78
10.25 inches 102
12.25 inches 122
14.25 inches 142

SPARK PLUG MODEL TYPE
RTM77N, RTM79, ALL TOP
THREADED ALTRONIC
1
RTB80N, RTB77WPCC 2
RTM77PP, RTB78N 3

LEAD TERMINATION* TYPE
Standard length terminal S
Extended length terminal E

*Extension has a female terminal on top that accepts spark plug leads with (1) standard male terminals such as P/N's M531, 21011 & 21981-1, or (2) extended male terminals such as 21143 & 21102. See page 45.
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