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Looking for aftermarket parts to modify or upgrade your 2004 Mazda Miata with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.
 IN STOCK 6341The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium Stock Heat Spark Plugs Box of 4 (BKR5EIX) 2004-2005 Mazda Miata Mazdaspeed $54.25 |
OUT OF STOCK 7994NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Iridium Spark Plug Box of 4 (IFR5E11) 1999-2005 Mazda Miata Base 2000-2005 Mazda Miata LS $69.00 |
 OUT OF STOCK 3508NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Spark Plug Box of 4 (IFR5T-8N) 2004-2005 Mazda Miata Mazdaspeed $69.65 |
 IN STOCK 96457NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (FR5BHX) 1999-2005 Mazda Miata Base 2000-2005 Mazda Miata LS 2004-2005 Mazda Miata Mazdaspeed $66.88 |
 IN STOCK 2460NGK standard plugs are constructed for longer life and optimum performance.... NGK Standard Spark Plug Box of 4 (BKR5ES) 2004-2005 Mazda Miata Mazdaspeed $35.09 |
 IN STOCK 2382NGK standard plugs are constructed for longer life and optimum performance.... NGK Traditional Spark Plug Box of 4 (BKRSES-11) 1999-2005 Mazda Miata Base 2000-2005 Mazda Miata LS $37.43 |
 IN STOCK 7938NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (BKR5E) 2004-2005 Mazda Miata Mazdaspeed $36.15 |