BPR6EIX 6637 IRIDIUM IX. MG MGB 1.8 1962 --> 1980. SET of 4 IRIDIUM IX NGK SPARK PLUGS. NGK UPGRADE SPARK PLUGS. Burning ALL the fuel mixture and giving a more complete combustion. Giving better performance and with less fuel wasted the exhaust gasses are much cleaner.
eBay