Spark an interest in TT plugs

Twin tip plugs use no iridium

Published:  10 March, 2011

rong>A new line of twin-tip spark plugs has recently been launched by parts firm Denso.

/>The new ‘TT’ plugs are the result of a two year project to discover a way to produce a fine-wired spark plug without using precious metals such as platinum or iridium on the electr

/>The maker says that the design with a nickel alloy centre and a ‘twin protruding ground electrode,’ can produce more powerful sparks ensuring better combustion of the air and fuel mixt

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