NGK Laser Iridium Spark Plug Set EJ255/EJ257 44011FE050 Most limited slips incorporate two

Most limited slips incorporate two sets of ramps for tuning purposes

factory breather

Manufacturer Part No: ST2031055001

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NGK Laser Iridium Spark Plug Set EJ255/EJ257 44011FE050 Most limited slips incorporate twoHIGH PERFORMANCE IRIDIUM SPARK PLUGS NGK's Laser Iridium spark plugs are an OE high performance spark plug with exceptional longevity. The 0. 6mm fine wire iridium center electrode, 6x denser than platinum and with an extremely high melting point, provides increased service life, improved ignitability and throttle response. The platinum ground electrode provides increased longevity vs. the iridium IX's nickel electrode. The high grade pure alumina