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Looking for aftermarket parts to modify or upgrade your 2003 Porsche Boxster with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.
 IN STOCK 6741NGK 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/Platinum Spark Plug Box of 4 (IFR6E-11) 2001-2003 Porsche Boxster Roadster S 2003-2003 Porsche Boxster Roadster $70.82 |
 IN STOCK - LOW 3199Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs.... NGK Multi-Ground Spark Plug Box of 4 (BKR6EQUP) 2001-2003 Porsche Boxster Roadster S 2003-2003 Porsche Boxster Roadster $56.78 |
 OUT OF STOCK 7969NGK standard plugs are constructed for longer life and optimum performance.... NGK Nickel Spark Plug Box of 4 (BKR6EKUB) 2001-2003 Porsche Boxster Roadster S 2003-2003 Porsche Boxster Roadster $52.92 |