Looking for aftermarket parts to modify or upgrade your 1973 Honda Civic with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

OUT OF STOCK 7084NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK GP Single Platinum Spark Plug Box of 4 (BPR6EGP) 1973-1974 Honda Civic Base $37.05 |

IN STOCK - LOW 6637The 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 IX Iridium Spark Plug Box of 4 (BPR6EIX) 1973-1974 Honda Civic Base $55.51 |

IN STOCK - LOW 3971-1NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions.... NGK Laser Platinum Spark Plug (BPR5EP-11) 1973-1973 Honda Civic Base $31.44 CLEARANCE VIEW PRICE IN CART |

IN STOCK 7131NGK standard plugs are constructed for longer life and optimum performance.... NGK Traditional Spark Plug Box of 4 (BPR6ES) 1973-1974 Honda Civic Base $35.52 |

IN STOCK 6427NGK 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 (BPR6EY) 1973-1974 Honda Civic Base $35.13 |