What plugs to use
I like autolite race plugs 3924.
You might be able to use the 3923 colder plug also.
They have a cut back electrode and are a nickle case plug.
The silver color of the plug helps with reading it for jetting the carb.
-screenshot-2.png[/IMG]
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Racing Copper Core Non-Resistor Spark Plug by Autolite - part# AR3924
Part No. AR3924 Warranty
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Brand: Autolite
Manufacturer Part#: AR3924
Advance Auto Parts Part#: 15650020
Actual racing spark plug used by some professional drivers. Provides cut back ground electrode, anticorrosive nickel plating and a large ground electrode for improved heat transfer.
I like autolite race plugs 3924.
You might be able to use the 3923 colder plug also.
They have a cut back electrode and are a nickle case plug.
The silver color of the plug helps with reading it for jetting the carb.
-screenshot-2.png[/IMG]
(Picture of Racing Copper Core Non-Resistor Spark Plug )Hover over the image to zoom in
Racing Copper Core Non-Resistor Spark Plug by Autolite - part# AR3924
Part No. AR3924 Warranty
| View Customer Q&A
Be the first to write a review
| View Customer Q&A
Check Availability
Check a Store near you
QTY
No, this part does not fit your vehicle. Change vehicle
Search for similar parts that fit your vehicle
Brand: Autolite
Manufacturer Part#: AR3924
Advance Auto Parts Part#: 15650020
Actual racing spark plug used by some professional drivers. Provides cut back ground electrode, anticorrosive nickel plating and a large ground electrode for improved heat transfer.