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Set of 4, 2 steps colder spark plugs for SR20DET, KA24DE, CA18, all RB motors. These are not recommended for daily use. Use for High Horsepower cars that either run lots of boost or lots of timing!!!! Helps lower combustion Temps.
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Click the button below to add the NGK - Iridium IX Spark Plug BKR8EIX *set of 4* for Nissan high HP applications to your wish list.