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3D3DSpark plug.
This spark plug claims that unlike ordinary spark plugs that have a platinum alloy electrode, it has a pure platinum center electrode. It also claims to use yttrium in the ground electrodes.
Source: Auto Parts Store
Contributor: Theodore Gray
Acquired: 10 January, 2003
Text Updated: 11 August, 2007
Price: $5
Size: 3"
Purity: >90%
Sample Group: Spark Plugs