Looking for aftermarket parts to modify or upgrade your 1990 Subaru Legacy with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

IN STOCK 2756NGK 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 (BKR6E-11) 1990-1990 Subaru Legacy Base 1990-1996 Subaru Legacy LS 1990-2003 Subaru Legacy L $37.31 |

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) 1990-1990 Subaru Legacy Base 1990-1996 Subaru Legacy LS 1990-2003 Subaru Legacy L $70.82 |

IN STOCK 5553NGK standard plugs are constructed for longer life and optimum performance.... NGK Traditional Spark Plug Box of 4 (BKR6ES-11) 1990-1990 Subaru Legacy Base 1990-1996 Subaru Legacy LS 1990-2003 Subaru Legacy L $35.52 |